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- Overfishing, which depletes populations of commercial fish species. 捕撈過度，耗盡商業魚品種的群集。
- 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濟魚類所放置的魚網纏住的現象。
- 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，十種商業魚類中右七種捕撈量已達飽和或過度捕撈，更有甚者，這些牟類的產卵區很多已被清理出來用作養蝦池塘、高爾夫球場和海濱度假區。
- 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，已經被嚴重開發的魚類資源進一步受到影響時，兼捕物可以成為一個嚴重的問題。
- The Impact of Fisheries on the Dynamics of Commercial Fish Species in Barents Sea and the Sea of Azov, Russia: A Historical Perspective 漁業對俄羅斯巴倫支海和亞速海商業魚類動態的影響:歷史觀察
- 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現的稀有魚種，是一種重要的商業和娛樂用魚。
- Too deep - One fish species for each metre over 15m per buddy pair. 太深-每次下潛超過15米將被刪除一個魚類記錄。
- About 120 freshwater fish species are indigenous to Hong Kong. 有大約一百二十個淡水魚品種是產於香港的。
- In total, 215 bony fish species from 86 families were recorded. 硬骨魚類至目前為止共計出現86科215種；
- Commercial Fishing Depletes Several Species in Northwestern Hawaiian Islands. 商業性捕魚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小時內共錄得90種魚類,獲得觀魚比賽冠軍大獎。
- But the population plunged in the smallest fish species,the fathead minnow. 然而最小的魚種，黑頭呆魚的數量卻發生了變化。
- 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盟和英國略大的百分之三美國土地面積。肉類生產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魚塘覓食。
- Unless commercial fishing was reduced, many large marine species would extinct, leading to economic disruptions, food shortages, and lasting damage to marine ecosystems. 除非減少商業性捕魚活動，否則許多大的海洋物種將滅絕，且導致經濟紊亂、食物短缺和對海洋生態系統的持續破壞。
- 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300多種鳥類和45種多瑙河及其支流中特有的魚類。
- It is one of the highest valued food fish species and demand increases as their numbers become fewer. 蘇眉是價值最高的食用魚品種之一,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研究表明,魚類性別決定幾乎包括了動物的所有性染色體類型。
- 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. 為了保護鱘魚使之免於滅絕，俄羅斯最近暫時停止了黑魚子醬的出口，並停止在裏海的商業性捕魚行動。
- The whale shark, Rhincodon typus, is a slow filter feeding shark that is the largest living fish species. 鯨鯊是一種行動緩慢的濾食性鯊魚，她亦是體型最龐大的魚類。
