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8 paź 2024 · Study with Quizlet and memorize flashcards containing terms like About how many fish species are currently known on Earth?, Which of the following is the world's largest fish?, What are the four different classes to which fishes belong? and more.
Quiz 17 Unit 4. The largest fish catches in terms of metric tons caught are those of: Click the card to flip 👆. Tunas. Salmon. Herrings, anchovies, sardines, and other clupeoid fishes. Cod, haddocks, related fishes. Sharks, rays, and skates. Click the card to flip 👆.
Study with Quizlet and memorize flashcards containing terms like 1) The area of the ocean that produces the largest standing stock of commercial fish is in the: A) bathypelagic zone. B) coastal areas.
Modern fishes include an estimated 31,000 species, by far the most of all clades within the Vertebrata. Fishes were the earliest vertebrates, with jawless species being the earliest forms and jawed species evolving later. They are active feeders, rather than sessile, suspension feeders.
The Rhincodon typus, which can grow up to 41.5 feet and weigh as much as 21.5 tons, is the biggest fish species living today. It is also the largest extant non-mammalian vertebrate species on our planet.
The largest living species is the basking shark (Cetorhinus maximus) of the world's northern temperate oceans, also the second largest fish. The largest specimen, which was examined in 1851, measured 12.3 m (40 ft) long and weighed 16 tonnes. [ 1 ]
The world produces around 200 million tonnes of fish and seafood every year. This comes from a combination of wild fish catch and fish farming. In fact, the rapid growth of aquaculture over the last few decades means we now produce more seafood from fish farms than we do from fisheries.
