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[4] [5] Careful timing of the pelvic fin movement during whole-body movements allows the pelvic fins to generate forces that dampen the forces from the entire body, therefore stabilizing the fish. For maneuvers, electromyogram data shows that pelvic fin muscles are activated after the start of the maneuver, indicating that the fins are used ...
The snout is semi-transparent. The first and second dorsal fins, as well as the caudal fin, are pale with blackish rear margins. The membrane of the pectoral fin is blackish. The pectoral filaments are white. The forward margins and origins of the pelvic and anal fins are white, while their other parts are a dusky yellowish white.
The pelvic fin has 4–9 rays, and the stomiiformes possess 5–24 branchiostegal rays. Their scales are cycloid , delicate and easily sloughed off; some are scaleless. The coloration is typically dark brown or black; a few (mostly Gonostomatoidei ) are silver, and photophores (light-producing organs) are common in this order.
The first dorsal fin is black; the second dorsal fin is greyish with the last ray being white. The base of the pectoral fin is greyish black, darkening to black towards the rear. The pectoral filaments are greyish-black with white tips and bases. The front part of the pelvic fin is greyish black with the rest of it being coloured white.
Macrouridae is a family of deep sea fish, a diverse and ecologically important group, [2] which are part of the order of cod-like fish, the Gadiformes.The species in the Macrouridae are characterised by their large heads [3] which normally have a single barbel on the chin, [4] projecting snouts, and slender bodies that taper to whip-like tails, without an obvious caudal fin [3] but what there ...
The pelvic fins are much smaller than the pectoral fins, and the anal fin is absent. The tail is much longer than the body and ends in a large, crescent-shaped caudal fin; the lower caudal fin lobe is more than half the length of the upper. [3] [14] [17] The entire dorsal surface has a grainy texture from a dense covering of tiny dermal ...
The firefighter, a 25-year-old woman, “sustained a serious head injury around 8:30 p.m. local time on Tuesday, Jan. 7, according to a post on X from Erik Scott, public information officer for ...
The haddock (Melanogrammus aeglefinus) is a saltwater ray-finned fish from the family Gadidae, the true cods.It is the only species in the monotypic genus Melanogrammus.It is found in the North Atlantic Ocean and associated seas, where it is an important species for fisheries, especially in northern Europe, where it is marketed fresh, frozen and smoked; smoked varieties include the Finnan ...