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- Overfishing, which depletes populations of commercial fish species. 捕撈過(guò)度，耗盡商業(yè)魚(yú)品種的群集。
- Bycatch is the entanglement of dolphins in the nets of fishing vessels targeting commercial fish species. 漁具糾纏是海豚被為捕捉經(jīng)濟魚(yú)類(lèi)所放置的魚(yú)網(wǎng)纏住的現象。
- On the downside, Safeguarding the Health of Ocean says that seven out of 10 commercial fish species are fully or over-exploited,even worse, many of their spawning grounds have been cleared to make room for shrimp ponds, golf courses and beach resorts. 但另一方面，保護海洋健康組織指出，海洋資源日益枯竭，十種商業(yè)魚(yú)類(lèi)中右七種捕撈量已達飽和或過(guò)度捕撈，更有甚者，這些牟類(lèi)的產(chǎn)卵區很多已被清理出來(lái)用作養蝦池塘、高爾夫球場(chǎng)和海濱度假區。
- Bycatch often includes the catch of juveniles of important commercial fish species (cod, rockfish, red snapper, croaker, king mackerel, Spanish mackerel and weakfish) as well as sea turtles. 當生物資源被浪費，瀕危和稀有物種受到威脅，已經(jīng)被嚴重開(kāi)發(fā)的魚(yú)類(lèi)資源進(jìn)一步受到影響時(shí)，兼捕物可以成為一個(gè)嚴重的問(wèn)題。
- The Impact of Fisheries on the Dynamics of Commercial Fish Species in Barents Sea and the Sea of Azov, Russia: A Historical Perspective 漁業(yè)對俄羅斯巴倫支海和亞速海商業(yè)魚(yú)類(lèi)動(dòng)態(tài)的影響:歷史觀(guān)察
- Lingcod, Ophiodon elongates, a rare fish found on the west coast of North America, are an important commercial and recreational fish species. 龍躉，也叫做麟鲓，是在北美洲西海岸發(fā)現的稀有魚(yú)種，是一種重要的商業(yè)和娛樂(lè )用魚(yú)。
- Too deep - One fish species for each metre over 15m per buddy pair. 太深-每次下潛超過(guò)15米將被刪除一個(gè)魚(yú)類(lèi)記錄。
- About 120 freshwater fish species are indigenous to Hong Kong. 有大約一百二十個(gè)淡水魚(yú)品種是產(chǎn)于香港的。
- In total, 215 bony fish species from 86 families were recorded. 硬骨魚(yú)類(lèi)至目前為止共計出現86科215種；
- Commercial Fishing Depletes Several Species in Northwestern Hawaiian Islands. 商業(yè)性捕魚(yú)將夏威夷的西北島嶼的一些種群掃蕩一空。
- HKU Diving Team won the Champion award by spotting 90 fish species in 8 hours. HKU Diving Team在8小時(shí)內共錄得90種魚(yú)類(lèi),獲得觀(guān)魚(yú)比賽冠軍大獎。
- But the population plunged in the smallest fish species,the fathead minnow. 然而最小的魚(yú)種，黑頭呆魚(yú)的數量卻發(fā)生了變化。
- Commercial fish populations of cod, hake, haddock, and flounder have fallen by as much as 95 percent in the north Atlantic. 相較之下，城市化僅影響到比歐洲聯(lián)盟和英國略大的百分之三美國土地面積。肉類(lèi)生產(chǎn)消耗了世界的土地資源。
- This is part of a larger Government programme to reduce Cormorant predation on commercial fish in the fishponds around Mai Po and Inner Deep Bay. 這樣做是為了減少鸕鶿在米埔和內后海灣鄰近的商業(yè)魚(yú)塘覓食。
- Unless commercial fishing was reduced, many large marine species would extinct, leading to economic disruptions, food shortages, and lasting damage to marine ecosystems. 除非減少商業(yè)性捕魚(yú)活動(dòng)，否則許多大的海洋物種將滅絕，且導致經(jīng)濟紊亂、食物短缺和對海洋生態(tài)系統的持續破壞。
- The Danube delta hosts over300 species of birds as well as45 freshwater fish species in its numerous lakes and marshes. 多瑙河三角洲不計其數的湖泊和沼澤哺育著(zhù)300多種鳥(niǎo)類(lèi)和45種多瑙河及其支流中特有的魚(yú)類(lèi)。
- It is one of the highest valued food fish species and demand increases as their numbers become fewer. 蘇眉是價(jià)值最高的食用魚(yú)品種之一,數量日漸稀少,需求卻愈益上升。
- From the cytogenetic perspective, only a small proportion of fish species have heteromorphic sex chromosomes. 幾十年的細胞遺傳學(xué)研究表明,魚(yú)類(lèi)性別決定幾乎包括了動(dòng)物的所有性染色體類(lèi)型。
- Russia temporarily stopped exporting black caviar and halted commercial fishing of sturgeon in the Caspian Sea recently in an effort to save the fish from extinction. 為了保護鱘魚(yú)使之免于滅絕，俄羅斯最近暫時(shí)停止了黑魚(yú)子醬的出口，并停止在里海的商業(yè)性捕魚(yú)行動(dòng)。
- The whale shark, Rhincodon typus, is a slow filter feeding shark that is the largest living fish species. 鯨鯊是一種行動(dòng)緩慢的濾食性鯊魚(yú)，她亦是體型最龐大的魚(yú)類(lèi)。
