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The Alaska Department of Fish and Game and the USA government list the bowhead whale as federally endangered. [ 97 ] The bowhead whale is listed in Appendix I [ 98 ] of the Convention on the Conservation of Migratory Species of Wild Animals ( CMS ), as this species has been categorized as being in danger of extinction throughout all or a ...
The bowfin (Amia calva) is a ray-finned fish native to North America. Common names include mudfish, mud pike, dogfish, grindle, grinnel, swamp trout, and choupique.It is regarded as a relict, being one of only two surviving species of the Halecomorphi, a group of fish that first appeared during the Early Triassic, around 250 million years ago.
Authorities have repeatedly recategorized the three populations of right whale plus the bowhead whale, as one, two, three or four species, either in a single genus or in two separate genera. In the early whaling days, they were all thought to be a single species, Balaena mysticetus. Eventually, it was recognized that bowheads and right whales ...
The belly is off-white or cream, and the fish has no scales. [5] Additionally, there are darker, brown-black speckles along the entire surface of the fish. The brown bullhead has a dorsal fin that bears a spine, [6] a single adipose fin posterior to the dorsal fin, abdominal pelvic fins, and an anal fin with 21 to 24 rays. The tail is only ...
Amia, commonly called bowfin, is a genus of ray-finned fish related to gars in the infraclass Holostei.They are regarded as taxonomic relicts, being the sole surviving species of the order Amiiformes and clade Halecomorphi, which dates from the Triassic to the Eocene, persisting to the present.
The four species of the Balaenidae are found in temperate and polar waters; Eubalaena glacialis (North Atlantic right whale), Eubalaena japonica (North Pacific right whale), Eubalaena australis (southern right whale), and Balaena mysticetus (bowhead whale). Bowhead and right whales can reach up to 18 meters in length and over 100 tons at maturity.
This species gives live birth to litters of two to eleven pups, which are nourished during gestation by yolk. The International Union for Conservation of Nature (IUCN) has assessed Rhina ancylostoma as Critically Endangered because it is widely caught by artisanal and commercial fisheries for its valuable fins and meat.
Amia ocellicauda, the eyespot bowfin, is a species of bowfin native to North America. Originally described by John Richardson from Lake Huron in 1836, it was synonymized with Amia calva until genetic work in 2022 revealed them to be separate species. [1] This species ranges from around the Great Lakes south to the Gulf Coast wetlands of ...