石斑魚可分為很(hen)多種類:
海紅(hong)斑(ban)(ban)(ban)(ban)(ban),東(dong)星(xing)斑(ban)(ban)(ban)(ban)(ban),西(xi)星(xing)斑(ban)(ban)(ban)(ban)(ban),泰星(xing)斑(ban)(ban)(ban)(ban)(ban),豹星(xing)斑(ban)(ban)(ban)(ban)(ban),老鼠斑(ban)(ban)(ban)(ban)(ban),老虎斑(ban)(ban)(ban)(ban)(ban),青(qing)斑(ban)(ban)(ban)(ban)(ban),麻斑(ban)(ban)(ban)(ban)(ban),金錢斑(ban)(ban)(ban)(ban)(ban),杉(shan)斑(ban)(ban)(ban)(ban)(ban),蘇(su)鼠斑(ban)(ban)(ban)(ban)(ban)、紅(hong)瓜子斑(ban)(ban)(ban)(ban)(ban)。
(1)點(dian)帶(dai)石(shi)斑魚(yu)吻短鈍(dun),背(bei)鰭(qi)(qi)8~11根(gen)棘,基(ji)底無黑斑,體側有5條不明顯(xian)橫(heng)帶(dai),體側及各(ge)鰭(qi)(qi)上分散(san)著斑點(dian)。為熱(re)帶(dai)中、下層魚(yu)類,喜(xi)棲(qi)息于(yu)巖礁底質(zhi)海區,為南海名貴魚(yu)類。性兇猛(meng),肉食為主,喜(xi)食魚(yu)、蝦、蟹,饑(ji)餓時自相殘殺。可生活在鹽度11~41‰水(shui)(shui)域,最適水(shui)(shui)溫22~28℃,18℃以下食欲減退,15℃以下魚(yu)體失去平(ping)衡。可進行網(wang)箱養殖(zhi)。分布于(yu)我(wo)國東海、南海等海域。?
(2)赤點(dian)石斑魚(yu)(yu)(yu)背鰭(qi)Ⅺ,16條(tiao),背鰭(qi)基(ji)底(di)具一黑斑,體(ti)棕褐色(se),頭、體(ti)、奇(qi)鰭(qi)有許多橙黃色(se)斑(浸制(zhi)標(biao)本變白色(se))。暖溫性中、下層(ceng)魚(yu)(yu)(yu)類(lei)。成魚(yu)(yu)(yu)攝食魚(yu)(yu)(yu)、蝦、蟹。雌雄同體(ti),雌性先成熟,大(da)(da)部分3齡性成熟,體(ti)長231~295毫米時,從雌性轉變為雄性。大(da)(da)部分6齡魚(yu)(yu)(yu)(個別為5齡魚(yu)(yu)(yu))體(ti)長340~400毫米,絕對(dui)(dui)生殖(zhi)力(li)為10萬(wan)~25萬(wan)粒,產(chan)卵期為5~9月(yue),盛期為5~6月(yue)。肉鮮美,可供(gong)出口(kou),是(shi)(shi)名貴魚(yu)(yu)(yu)類(lei),現已進行人工繁殖(zhi),是(shi)(shi)網箱及淺海養殖(zhi)對(dui)(dui)象。分布于(yu)我國臺灣(wan),東海、南海,以(yi)及印度和日本。
(3)青石斑魚(yu)(yu)體下部(bu)具(ju)若干橙紅色(se)斑點,體側具(ju)6條深褐色(se)垂直條紋,第3與第4帶間隔最寬;僅尾鰭具(ju)斑點。暖水性(xing)(xing)中、下層魚(yu)(yu)類。仔稚(zhi)魚(yu)(yu)攝食浮游生(sheng)物(wu),成魚(yu)(yu)攝食魚(yu)(yu)、蝦、蟹。雌、雄同體,雌魚(yu)(yu)先性(xing)(xing)成熟,體長(chang)250~400毫米時(shi)性(xing)(xing)逆轉,雄魚(yu)(yu)6齡(ling)(個別5齡(ling))全部(bu)性(xing)(xing)成熟。絕對生(sheng)殖力為8萬~25萬粒(li),產(chan)卵期為5月下旬至7月,20℃開始產(chan)卵,22~24℃盛期,產(chan)浮性(xing)(xing)卵。水溫22~25℃,需23~30小時(shi)孵(fu)出仔魚(yu)(yu)。肉味鮮(xian)美,為名貴魚(yu)(yu)類,活魚(yu)(yu)大量(liang)銷往(wang)香港及(ji)澳門。為中國及(ji)東(dong)南亞(ya)淺海養殖對象(xiang),可以用網箱養殖。分布于我國臺灣,東(dong)海、南海,以及(ji)日本。
(4)斜(xie)帶石斑(ban)魚身體(ti)延長,在(zai)(zai)頭(tou)和(he)身體(ti)的(de)(de)背(bei)部(bu)呈(cheng)棕褐色,腹(fu)部(bu)底紋呈(cheng)白色;無數(shu)橙褐色或(huo)是紅褐色的(de)(de)小(xiao)點分布(bu)于(yu)(yu)頭(tou)、身體(ti)和(he)鰭(qi)條的(de)(de)中部(bu);身體(ti)上有5大不規則的(de)(de)、間斷的(de)(de)、向(xiang)腹(fu)部(bu)分叉的(de)(de)黑(hei)斑(ban);第一(yi)個(ge)黑(hei)斑(ban)在(zai)(zai)前背(bei)鰭(qi)棘的(de)(de)下方,最后的(de)(de)黑(hei)斑(ban)在(zai)(zai)尾柄上;2個(ge)黑(hei)斑(ban)在(zai)(zai)中鰓蓋,而另外(wai)的(de)(de)1~2個(ge)在(zai)(zai)次鰓蓋和(he)中鰓蓋的(de)(de)邊(bian)接處。當暴露(lu)于(yu)(yu)空氣中時橙色的(de)(de)點變為(wei)褐色,而在(zai)(zai)防腐(fu)劑(ji)中則變得模糊。
石(shi)(shi)(shi)斑(ban)魚類(lei)廣泛分(fen)布于大(da)西洋、印度洋和(he)太平(ping)洋的熱(re)帶(dai)和(he)亞熱(re)帶(dai)海(hai)(hai)(hai)(hai)域。中國沿海(hai)(hai)(hai)(hai)分(fen)布的石(shi)(shi)(shi)斑(ban)魚類(lei)有(you)(you)11個屬(shu)65種(zhong),包括(kuo)光腭鱸(lu)(lu)(lu)(lu)屬(shu)、下美屬(shu)、駝背(bei)鱸(lu)(lu)(lu)(lu)屬(shu)、石(shi)(shi)(shi)斑(ban)魚屬(shu)、鳶屬(shu)、煙(yan)鱸(lu)(lu)(lu)(lu)屬(shu)、纖齒(chi)鱸(lu)(lu)(lu)(lu)屬(shu)、九棘鱸(lu)(lu)(lu)(lu)屬(shu)、側牙(ya)鱸(lu)(lu)(lu)(lu)屬(shu)、鰓(sai)棘鱸(lu)(lu)(lu)(lu)屬(shu)和(he)貧鱸(lu)(lu)(lu)(lu)屬(shu)。主要分(fen)布于東海(hai)(hai)(hai)(hai)、臺灣(wan)海(hai)(hai)(hai)(hai)峽(xia)和(he)南海(hai)(hai)(hai)(hai),其中常見種(zhong)類(lei)有(you)(you)斜帶(dai)石(shi)(shi)(shi)斑(ban)魚、豹紋(wen)鰓(sai)棘鱸(lu)(lu)(lu)(lu)、駝背(bei)鱸(lu)(lu)(lu)(lu)、青石(shi)(shi)(shi)斑(ban)魚等。臺灣(wan)海(hai)(hai)(hai)(hai)峽(xia)尤其是澎湖列島(dao)海(hai)(hai)(hai)(hai)域,不僅(jin)有(you)(you)黑潮支流的加溫效應,且多有(you)(you)淺灘、峽(xia)谷、海(hai)(hai)(hai)(hai)島(dao)、礁(jiao)石(shi)(shi)(shi),珊瑚礁(jiao)資(zi)源豐(feng)富,非常適(shi)合石(shi)(shi)(shi)斑(ban)魚類(lei)棲息,其石(shi)(shi)(shi)斑(ban)魚種(zhong)類(lei)較東海(hai)(hai)(hai)(hai)、南海(hai)(hai)(hai)(hai)更為(wei)豐(feng)富。
石(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)體(ti)一(yi)(yi)般呈(cheng)橢圓(yuan)或長橢圓(yuan)形(xing)(xing),側(ce)扁;頭長大(da)(da)于(yu)(yu)體(ti)高;背鰭(qi)(qi)(qi)(qi)鰭(qi)(qi)(qi)(qi)棘部(bu)強大(da)(da),與鰭(qi)(qi)(qi)(qi)條(tiao)部(bu)相連,背鰭(qi)(qi)(qi)(qi)鰭(qi)(qi)(qi)(qi)棘7~11根(gen),鰭(qi)(qi)(qi)(qi)條(tiao)10~21根(gen);臀鰭(qi)(qi)(qi)(qi)鰭(qi)(qi)(qi)(qi)棘3根(gen),一(yi)(yi)般第2根(gen)最為強大(da)(da),臀鰭(qi)(qi)(qi)(qi)鰭(qi)(qi)(qi)(qi)條(tiao)數7~13根(gen);胸鰭(qi)(qi)(qi)(qi)寬大(da)(da),位(wei)低,一(yi)(yi)般呈(cheng)圓(yuan)形(xing)(xing);腹鰭(qi)(qi)(qi)(qi)位(wei)于(yu)(yu)胸鰭(qi)(qi)(qi)(qi)下方;口大(da)(da),兩(liang)頜齒內行(xing)齒傾倒(dao);體(ti)被小(xiao)(xiao)櫛鱗;側(ce)線達尾鰭(qi)(qi)(qi)(qi)基部(bu);尾鰭(qi)(qi)(qi)(qi)圓(yuan)形(xing)(xing)、截形(xing)(xing)或凹型(xing)(xing)(xing)。不同(tong)種(zhong)類(lei)(lei)的(de)石(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)體(ti)型(xing)(xing)(xing)差異較(jiao)大(da)(da),30%以上的(de)石(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)種(zhong)類(lei)(lei)體(ti)長可(ke)達1m以上,超(chao)大(da)(da)體(ti)型(xing)(xing)(xing)者(zhe)可(ke)超(chao)過2m,如鞍帶(dai)石(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)(E.lanceolatus)、伊氏石(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)(E. itajara)、東太平(ping)洋石(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)(E. quinquefasciatus)等(deng)(deng),而體(ti)型(xing)(xing)(xing)小(xiao)(xiao)者(zhe)甚至(zhi)小(xiao)(xiao)于(yu)(yu)20cm,如紅鰭(qi)(qi)(qi)(qi)九(jiu)(jiu)棘鱸(lu)(Cephalopholis aitha)、短身石(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)(E. trophis)、多(duo)斑(ban)(ban)(ban)(ban)九(jiu)(jiu)棘鱸(lu)(C. polyspila)等(deng)(deng)。石(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)屬(Epinephelus)作為石(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)科(ke)中(zhong)種(zhong)類(lei)(lei)最多(duo)的(de)屬,其體(ti)型(xing)(xing)(xing)大(da)(da)小(xiao)(xiao)變(bian)化較(jiao)大(da)(da),從小(xiao)(xiao)型(xing)(xing)(xing)到大(da)(da)型(xing)(xing)(xing)均(jun)有分(fen)布;而另一(yi)(yi)種(zhong)類(lei)(lei)數較(jiao)多(duo)的(de)九(jiu)(jiu)棘鱸(lu)屬(Cephalopholis)除了紅九(jiu)(jiu)棘鱸(lu)(C. sonnerati)外都(dou)是(shi)體(ti)長小(xiao)(xiao)于(yu)(yu)50cm的(de)小(xiao)(xiao)型(xing)(xing)(xing)石(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)。此外,石(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)類(lei)(lei)的(de)仔稚魚(yu)(yu)(yu)(yu)發(fa)育過程(cheng)中(zhong)存在背鰭(qi)(qi)(qi)(qi)鰭(qi)(qi)(qi)(qi)棘和腹鰭(qi)(qi)(qi)(qi)鰭(qi)(qi)(qi)(qi)棘顯著延長及收縮的(de)現象,這是(shi)石(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)類(lei)(lei)發(fa)育過程(cheng)中(zhong)較(jiao)為獨特的(de)一(yi)(yi)個特征。
石(shi)斑(ban)魚(yu)為(wei)底棲(qi)性魚(yu)類(lei)(lei),其(qi)成魚(yu)主要棲(qi)息于珊瑚礁(jiao)及(ji)近(jin)岸巖(yan)礁(jiao)區域(yu),也(ye)有(you)(you)部分棲(qi)息于底質為(wei)沙質、泥質或淤泥質的(de)(de)海域(yu),如(ru)青銅(tong)石(shi)斑(ban)魚(yu)(E. aeneus)、褐石(shi)斑(ban)魚(yu)(E. bruneus)及(ji)寶石(shi)石(shi)斑(ban)魚(yu)(E. areolatus)等,其(qi)幼魚(yu)則(ze)偏愛選擇海草(cao)床、紅樹林等生境。石(shi)斑(ban)魚(yu)類(lei)(lei)一(yi)般棲(qi)息于100m以淺的(de)(de)水域(yu),如(ru)白線光腭鱸(Anyperodon leucogrammicus)和橫(heng)帶(dai)(dai)九(jiu)棘鱸(C. boenak)等,也(ye)有(you)(you)一(yi)些種(zhong)類(lei)(lei)棲(qi)息于100~200m的(de)(de)水層中,如(ru)橙點(dian)九(jiu)棘鱸(C. aurantia)。大多數石(shi)斑(ban)魚(yu)為(wei)獨居性魚(yu)類(lei)(lei),除了在繁殖期集群(qun)外(wai)一(yi)般不成群(qun);但也(ye)有(you)(you)些種(zhong)類(lei)(lei)的(de)(de)生活(huo)方式為(wei)一(yi)尾(wei)雄(xiong)魚(yu)和若干尾(wei)雌(ci)魚(yu)組(zu)成的(de)(de)小群(qun)體,如(ru)橫(heng)帶(dai)(dai)九(jiu)棘鱸和青星九(jiu)棘鱸(C. miniata)。一(yi)些研究表(biao)明石(shi)斑(ban)魚(yu)類(lei)(lei)通(tong)常可在特(te)定(ding)的(de)(de)礁(jiao)區定(ding)居較長(chang)的(de)(de)一(yi)段時間,這(zhe)種(zhong)定(ding)居習性及(ji)較長(chang)的(de)(de)生活(huo)史等特(te)征使得石(shi)斑(ban)魚(yu)類(lei)(lei)易受到(dao)過度捕撈的(de)(de)影響(xiang)。
大部分石(shi)斑(ban)魚(yu)(yu)(yu)類為(wei)雌(ci)(ci)(ci)性(xing)(xing)(xing)(xing)先熟(shu)的(de)(de)雌(ci)(ci)(ci)雄(xiong)同(tong)(tong)體(ti)(ti)魚(yu)(yu)(yu)類,即初(chu)(chu)次性(xing)(xing)(xing)(xing)成(cheng)熟(shu)時為(wei)雌(ci)(ci)(ci)性(xing)(xing)(xing)(xing),作為(wei)雌(ci)(ci)(ci)性(xing)(xing)(xing)(xing)參與繁殖后的(de)(de)一年至(zhi)數年后,雌(ci)(ci)(ci)魚(yu)(yu)(yu)開始(shi)性(xing)(xing)(xing)(xing)逆(ni)轉(zhuan)(zhuan)成(cheng)為(wei)雄(xiong)魚(yu)(yu)(yu)。然而(er)也(ye)存在著少量可(ke)(ke)由幼魚(yu)(yu)(yu)直(zhi)接發育(yu)成(cheng)雄(xiong)魚(yu)(yu)(yu)的(de)(de)初(chu)(chu)級(ji)雄(xiong)性(xing)(xing)(xing)(xing)個(ge)體(ti)(ti)(primary males),其(qi)比例隨不(bu)同(tong)(tong)物(wu)種(zhong)(zhong)而(er)異(yi),如(ru)養(yang)殖條件下(xia)斜帶石(shi)斑(ban)魚(yu)(yu)(yu)(E.coioides)和駝背(bei)鱸(lu)僅(jin)有(you)1%~3%的(de)(de)初(chu)(chu)級(ji)雄(xiong)性(xing)(xing)(xing)(xing)個(ge)體(ti)(ti),而(er)赤(chi)點石(shi)斑(ban)魚(yu)(yu)(yu)(E.akaara)的(de)(de)初(chu)(chu)級(ji)雄(xiong)性(xing)(xing)(xing)(xing)個(ge)體(ti)(ti)可(ke)(ke)達15%左(zuo)右。這種(zhong)(zhong)差(cha)異(yi)也(ye)可(ke)(ke)能(neng)與生(sheng)長(chang)環境相關,目前尚未有(you)野生(sheng)天然初(chu)(chu)級(ji)雄(xiong)性(xing)(xing)(xing)(xing)個(ge)體(ti)(ti)的(de)(de)報(bao)道。此外,在人工養(yang)殖的(de)(de)石(shi)斑(ban)魚(yu)(yu)(yu)類中也(ye)發現了雙向性(xing)(xing)(xing)(xing)逆(ni)轉(zhuan)(zhuan)的(de)(de)雌(ci)(ci)(ci)雄(xiong)同(tong)(tong)體(ti)(ti)橫帶九棘鱸(lu)。甚至(zhi)還有(you)個(ge)別種(zhong)(zhong)類的(de)(de)石(shi)斑(ban)魚(yu)(yu)(yu)為(wei)雌(ci)(ci)(ci)雄(xiong)異(yi)體(ti)(ti),如(ru)豹紋喙(hui)鱸(lu)(Mycteroperca rosacea)和拿騷石(shi)斑(ban)魚(yu)(yu)(yu)(E. striatus)。對于(yu)石(shi)斑(ban)魚(yu)(yu)(yu)的(de)(de)性(xing)(xing)(xing)(xing)逆(ni)轉(zhuan)(zhuan)機制,一些研究者認為(wei)可(ke)(ke)能(neng)是環境與遺傳因(yin)素(su)共同(tong)(tong)作用的(de)(de)結(jie)果,并證實了外源性(xing)(xing)(xing)(xing)雄(xiong)性(xing)(xing)(xing)(xing)類固(gu)醇激素(su)可(ke)(ke)成(cheng)功誘導多種(zhong)(zhong)石(shi)斑(ban)魚(yu)(yu)(yu)的(de)(de)雌(ci)(ci)(ci)魚(yu)(yu)(yu)發生(sheng)性(xing)(xing)(xing)(xing)逆(ni)轉(zhuan)(zhuan)。
大(da)多石(shi)斑(ban)魚(yu)類(lei)(lei)為(wei)多批(pi)產(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)魚(yu)類(lei)(lei)。卵(luan)(luan)(luan)(luan)(luan)巢內同時(shi)具有(you)(you)不同時(shi)相的(de)(de)卵(luan)(luan)(luan)(luan)(luan)母細胞。雌魚(yu)在一(yi)(yi)個(ge)繁殖期(qi)內。卵(luan)(luan)(luan)(luan)(luan)子(zi)分批(pi)成(cheng)熟。如(ru)(ru)青石(shi)斑(ban)魚(yu)(E.awoara)、點(dian)帶石(shi)斑(ban)魚(yu)(E.malabaricus)和(he)云紋石(shi)斑(ban)魚(yu)(E.moara)等(deng)。一(yi)(yi)些石(shi)斑(ban)魚(yu)類(lei)(lei)有(you)(you)著(zhu)較為(wei)固(gu)定(ding)的(de)(de)產(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)場。因此需要(yao)(yao)進(jin)行(xing)產(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)洄(hui)(hui)游(you)。部分種類(lei)(lei)洄(hui)(hui)游(you)的(de)(de)距(ju)(ju)離較短。如(ru)(ru)大(da)堡礁(jiao)區的(de)(de)豹紋鰓棘(ji)鱸的(de)(de)產(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)洄(hui)(hui)游(you)距(ju)(ju)離通(tong)常為(wei)數(shu)(shu)(shu)百米至數(shu)(shu)(shu)千米;有(you)(you)的(de)(de)種類(lei)(lei)則(ze)(ze)需要(yao)(yao)洄(hui)(hui)游(you)上百千米往返于產(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)場,如(ru)(ru)佛(fo)羅里達沿(yan)岸(an)的(de)(de)拿(na)騷石(shi)斑(ban)魚(yu)(E.striatus),產(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)場距(ju)(ju)離定(ding)居(ju)地距(ju)(ju)離可達240km。一(yi)(yi)些石(shi)斑(ban)魚(yu)在繁殖期(qi)間(jian)會配對產(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan),如(ru)(ru)赤點(dian)石(shi)斑(ban)魚(yu),其產(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)時(shi)間(jian)一(yi)(yi)般(ban)為(wei)傍晚,產(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)開始時(shi),雄魚(yu)追逐雌魚(yu)后(hou)(hou)并(bing)游(you),通(tong)過(guo)尾柄激(ji)烈顫動完成(cheng)產(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)、排精動作,這一(yi)(yi)產(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)行(xing)為(wei)需1~2min,隨(sui)后(hou)(hou)不久可重復類(lei)(lei)似行(xing)為(wei)并(bing)持(chi)續2h左右。另一(yi)(yi)些種類(lei)(lei)如(ru)(ru)拿(na)騷石(shi)斑(ban)魚(yu)則(ze)(ze)具有(you)(you)集(ji)群(qun)(qun)產(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)的(de)(de)行(xing)為(wei),Smith報道(dao)了(le)拿(na)騷石(shi)斑(ban)魚(yu)在巴哈(ha)馬附近海域水(shui)深29~38m的(de)(de)巖礁(jiao)珊瑚(hu)礁(jiao)海域集(ji)群(qun)(qun)產(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)的(de)(de)現(xian)象,數(shu)(shu)(shu)量(liang)有(you)(you)30000~100000尾之(zhi)多。石(shi)斑(ban)魚(yu)類(lei)(lei)產(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)期(qi)一(yi)(yi)般(ban)從每年的(de)(de)春末(mo)延續至初秋(qiu),主要(yao)(yao)受水(shui)溫影(ying)響,因而(er)沿(yan)海各(ge)地石(shi)斑(ban)魚(yu)產(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)時(shi)間(jian)隨(sui)緯度(du)不同而(er)變化。如(ru)(ru)福建沿(yan)海的(de)(de)赤點(dian)石(shi)斑(ban)魚(yu)生殖季節為(wei)5—9月(yue),5—6月(yue)為(wei)產(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)盛期(qi),香(xiang)港和(he)臺(tai)灣(wan)則(ze)(ze)為(wei)4—7月(yue)。石(shi)斑(ban)魚(yu)的(de)(de)個(ge)體懷卵(luan)(luan)(luan)(luan)(luan)數(shu)(shu)(shu)因體型(xing)(xing)而(er)異,產(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)總量(liang)在7萬(wan)~100萬(wan)粒不等(deng),大(da)型(xing)(xing)石(shi)斑(ban)魚(yu)種類(lei)(lei)可達1000萬(wan)粒。
石(shi)(shi)(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)(yu)(yu)(yu)中以(yi)青石(shi)(shi)(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)(yu)(yu)(yu)蛋(dan)(dan)白(bai)含(han)量(liang)(liang)(liang)(liang)(liang)(liang)最高(gao)(gao),比(bi)大(da)黃(huang)魚(yu)(yu)(yu)(yu)(yu)(yu)(yu)的(de)(de)(de)(de)(de)(de)蛋(dan)(dan)白(bai)含(han)量(liang)(liang)(liang)(liang)(liang)(liang)都高(gao)(gao),其(qi)次是(shi)(shi)棕(zong)點(dian)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)(yu)(yu)(yu),珍珠龍膽(dan)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)(yu)(yu)(yu)和(he)點(dian)帶(dai)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)(yu)(yu)(yu),七(qi)帶(dai)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)(yu)(yu)(yu)和(he)赤點(dian)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)(yu)(yu)(yu)的(de)(de)(de)(de)(de)(de)蛋(dan)(dan)白(bai)含(han)量(liang)(liang)(liang)(liang)(liang)(liang)與(yu)中國花鱸(lu)、大(da)菱鲆相近(jin),而鞍帶(dai)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)(yu)(yu)(yu)和(he)美(mei)洲黑石(shi)(shi)(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)(yu)(yu)(yu)與(yu)真(zhen)鯛(diao)的(de)(de)(de)(de)(de)(de)蛋(dan)(dan)白(bai)含(han)量(liang)(liang)(liang)(liang)(liang)(liang)接近(jin),相對(dui)比(bi)較(jiao)(jiao)(jiao)低(di),約為66%(干重(zhong)(zhong)計),但(dan)脂(zhi)(zhi)肪含(han)量(liang)(liang)(liang)(liang)(liang)(liang)卻(que)比(bi)大(da)菱鲆高(gao)(gao)10多倍(bei)。除鞍帶(dai)和(he)美(mei)洲黑石(shi)(shi)(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)(yu)(yu)(yu)脂(zhi)(zhi)肪含(han)量(liang)(liang)(liang)(liang)(liang)(liang)明顯較(jiao)(jiao)(jiao)高(gao)(gao)外,其(qi)他(ta)幾種(zhong)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)(yu)(yu)(yu)的(de)(de)(de)(de)(de)(de)脂(zhi)(zhi)肪含(han)量(liang)(liang)(liang)(liang)(liang)(liang)與(yu)真(zhen)鯛(diao)相近(jin),略高(gao)(gao)于大(da)黃(huang)魚(yu)(yu)(yu)(yu)(yu)(yu)(yu)和(he)大(da)菱鲆。石(shi)(shi)(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)(yu)(yu)(yu)中必需(xu)氨基(ji)(ji)酸(suan)(suan)占氨基(ji)(ji)酸(suan)(suan)總量(liang)(liang)(liang)(liang)(liang)(liang)均(jun)(jun)超過37%,跟FAO/WTO所建議的(de)(de)(de)(de)(de)(de)理想(xiang)蛋(dan)(dan)白(bai)模式比(bi)較(jiao)(jiao)(jiao),石(shi)(shi)(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)(yu)(yu)(yu)的(de)(de)(de)(de)(de)(de)必需(xu)氨基(ji)(ji)酸(suan)(suan)指數(EAAI)均(jun)(jun)較(jiao)(jiao)(jiao)高(gao)(gao)。通常產(chan)品(pin)的(de)(de)(de)(de)(de)(de)EAAI越(yue)高(gao)(gao)營(ying)養(yang)價值(zhi)(zhi)也(ye)越(yue)高(gao)(gao),點(dian)帶(dai)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)(yu)(yu)(yu)EAAI為103,棕(zong)點(dian)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)(yu)(yu)(yu)的(de)(de)(de)(de)(de)(de)EAAI為90.19,鞍帶(dai)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)(yu)(yu)(yu)EAAI為95.87,說明石(shi)(shi)(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)(yu)(yu)(yu)是(shi)(shi)質(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)較(jiao)(jiao)(jiao)好的(de)(de)(de)(de)(de)(de)蛋(dan)(dan)白(bai)質(zhi)(zhi)源(yuan)。另外,石(shi)(shi)(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)(yu)(yu)(yu)的(de)(de)(de)(de)(de)(de)鮮(xian)味氨基(ji)(ji)酸(suan)(suan)(谷氨酸(suan)(suan)Glu、天冬(dong)氨酸(suan)(suan)Asp、甘氨酸(suan)(suan)Gly、丙氨酸(suan)(suan)Ala)含(han)量(liang)(liang)(liang)(liang)(liang)(liang)也(ye)十分(fen)豐富,這說明了(le)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)(yu)(yu)(yu)味道比(bi)較(jiao)(jiao)(jiao)鮮(xian)美(mei)。石(shi)(shi)(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)(yu)(yu)(yu)脂(zhi)(zhi)肪含(han)量(liang)(liang)(liang)(liang)(liang)(liang)比(bi)其(qi)他(ta)海水魚(yu)(yu)(yu)(yu)(yu)(yu)(yu)類略高(gao)(gao),但(dan)脂(zhi)(zhi)質(zhi)(zhi)均(jun)(jun)為優質(zhi)(zhi)脂(zhi)(zhi)肪酸(suan)(suan),其(qi)中多不飽(bao)(bao)和(he)脂(zhi)(zhi)肪酸(suan)(suan)含(han)量(liang)(liang)(liang)(liang)(liang)(liang)豐富,二(er)十碳五烯(xi)酸(suan)(suan)(EPA)和(he)二(er)十二(er)碳六烯(xi)酸(suan)(suan)(DHA)含(han)量(liang)(liang)(liang)(liang)(liang)(liang)占多不飽(bao)(bao)和(he)脂(zhi)(zhi)肪酸(suan)(suan)含(han)量(liang)(liang)(liang)(liang)(liang)(liang)58%~88%,其(qi)對(dui)人體(ti)的(de)(de)(de)(de)(de)(de)健康(kang)有重(zhong)(zhong)要(yao)的(de)(de)(de)(de)(de)(de)作(zuo)用。所以(yi)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)(yu)(yu)(yu)(yu)是(shi)(shi)味道鮮(xian)美(mei)、高(gao)(gao)蛋(dan)(dan)白(bai)、高(gao)(gao)優質(zhi)(zhi)不飽(bao)(bao)和(he)脂(zhi)(zhi)肪酸(suan)(suan)、氨基(ji)(ji)酸(suan)(suan)組(zu)成均(jun)(jun)衡的(de)(de)(de)(de)(de)(de)一種(zhong)營(ying)養(yang)價值(zhi)(zhi)極高(gao)(gao)的(de)(de)(de)(de)(de)(de)優質(zhi)(zhi)海水魚(yu)(yu)(yu)(yu)(yu)(yu)(yu)類。
礦物(wu)元(yuan)素(su)與(yu)人體(ti)(ti)健(jian)康(kang)密切相(xiang)關,參與(yu)人體(ti)(ti)內的(de)(de)(de)(de)(de)(de)新陳代謝、各種(zhong)生(sheng)物(wu)和(he)(he)(he)化學反應等。點帶石(shi)斑(ban)(ban)(ban)魚的(de)(de)(de)(de)(de)(de)常(chang)量元(yuan)素(su)含量均略高(gao)(gao)(gao)于(yu)其(qi)他幾種(zhong)石(shi)斑(ban)(ban)(ban)魚,其(qi)中鉀(K)含量最(zui)高(gao)(gao)(gao),其(qi)次(ci)為(wei)鈉(na)(na)(Na)、鎂(mei)(mei)(Mg)、鈣(Ca)、磷(P);微量元(yuan)素(su)中,棕(zong)點石(shi)斑(ban)(ban)(ban)魚鋅(Zn)含量最(zui)高(gao)(gao)(gao),其(qi)次(ci)為(wei)美洲黑(hei)石(shi)斑(ban)(ban)(ban)魚。鋅有(you)“生(sheng)命的(de)(de)(de)(de)(de)(de)火(huo)花(hua)塞”之稱(cheng),能促進大腦蛋白(bai)合成,幫助神經系(xi)統的(de)(de)(de)(de)(de)(de)發育(yu)和(he)(he)(he)完善,同時(shi)也(ye)是(shi)人體(ti)(ti)內數十種(zhong)酶(mei)的(de)(de)(de)(de)(de)(de)主要成分,動物(wu)性食品(pin)中富(fu)含的(de)(de)(de)(de)(de)(de)鋅在人體(ti)(ti)內較(jiao)易消化吸(xi)收,因此其(qi)被視為(wei)鋅的(de)(de)(de)(de)(de)(de)良好(hao)來(lai)源。點帶石(shi)斑(ban)(ban)(ban)魚和(he)(he)(he)美洲黑(hei)石(shi)斑(ban)(ban)(ban)魚的(de)(de)(de)(de)(de)(de)Fe含量是(shi)幾種(zhong)石(shi)斑(ban)(ban)(ban)魚中最(zui)高(gao)(gao)(gao)的(de)(de)(de)(de)(de)(de)。人體(ti)(ti)內的(de)(de)(de)(de)(de)(de)礦物(wu)元(yuan)素(su)主要來(lai)源于(yu)食物(wu),與(yu)其(qi)他養(yang)殖魚類相(xiang)比,石(shi)斑(ban)(ban)(ban)魚所含營養(yang)種(zhong)類更為(wei)全面且含量豐富(fu),特別是(shi)鐵和(he)(he)(he)鋅的(de)(de)(de)(de)(de)(de)含量。研究(jiu)顯示,營養(yang)性鐵缺(que)乏(fa)(fa)和(he)(he)(he)鋅缺(que)乏(fa)(fa)是(shi)嚴重影響兒童健(jian)康(kang)的(de)(de)(de)(de)(de)(de)常(chang)見營養(yang)素(su)缺(que)乏(fa)(fa)問(wen)題,因此含有(you)豐富(fu)磷、鈉(na)(na)、鎂(mei)(mei)、鋅和(he)(he)(he)鐵等元(yuan)素(su)的(de)(de)(de)(de)(de)(de)石(shi)斑(ban)(ban)(ban)魚肌肉能夠很好(hao)的(de)(de)(de)(de)(de)(de)滿足人體(ti)(ti)特別是(shi)孩(hai)童對微量元(yuan)素(su)的(de)(de)(de)(de)(de)(de)需求。