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The mouths of these fish are most commonly located on the underside of their head (subterminal), with thick, fleshy lips.Most species are less than 60 cm (2.0 ft) in length, but the largest species (Ictiobus and Myxocyprinus) can surpass 100 cm (3.3 ft).
The Amazon molly shares many of the same general characteristics of its parent species. Some of these characteristics include a rounded caudal fin, a small anal fin, small pelvic fins, pectoral fins located just behind the operculum, a small terminal mouth, and a compressed body shape.
Osteichthyes (/ ˌ ɒ s t iː ˈ ɪ k θ iː z / ost-ee-IK-theez; from Ancient Greek ὀστέον (ostéon) 'bone' and ἰχθύς (ikhthús) 'fish'), [2] also known as osteichthyans or commonly referred to as the bony fish, is a diverse clade of vertebrate animals that have endoskeletons primarily composed of bone tissue.
Hagfish embryos have characteristics of gnathostomes and may be plesiomorphic; [33] however, these characteristics drastically change morphologically as the hagfish matures. [33] The following hagfish and lamprey phylogeny is an adaptation based on the 2019 work of Miyashita et al. [ 69 ]
A major source of food for many marine animals, lanternfish are an important link in the food chain of many local ecosystems, being heavily preyed upon by whales and dolphins, large pelagic fish such as salmon, tuna and sharks, grenadiers and other deep-sea fish (including other lanternfish), pinnipeds, sea birds, notably penguins, and large ...
The stonecat has two forms. In the Cumberland drainage in Tennessee, a scientifically undescribed form possesses two light bars (perpendicular to body length) on its nape. In other areas, a patch exists in place of the bars.
Generally shallow-water fish, tilefish are usually found at depths of 50–200 m in both temperate and tropical waters of the Atlantic, Pacific, and Indian Oceans. All species seek shelter in self-made burrows, caves at the bases of reefs, or piles of rock, often in canyons or at the edges of steep slopes. Either gravelly or sandy substrate may ...
Herring are various species of forage fish, belonging to the order Clupeiformes.. Herring often move in large schools around fishing banks and near the coast, found particularly in shallow, temperate waters of the North Pacific and North Atlantic Oceans, including the Baltic Sea, as well as off the west coast of South America.