Pelvic fin - Wikipedia
网页Pelvic fins or ventral fins are paired fins located on the ventral (belly) surface of fish, and are the lower of the only two sets of paired fins (the other being the laterally positioned pectoral fins).
Fish fin - Wikipedia
网页The pelvic fin assists the fish in going up or down through the water, turning sharply, and stopping quickly. In gobies, the pelvic fins are often fused into a single sucker disk. This can be used to attach to objects [1] Pelvic fins can take …
Structure and Function - Fish | manoa.hawaii.edu…
网页Fish have two sets of paired fins: pectoral and pelvic (Fig 4.25). The pectoral fins are vertical and are located on the sides of the fish, usually just past the operculum (Table 4.7). Pectoral fins are similar to human arms, which are found near the pectoral muscles.
Fish Fins - Structure, Types, Functions - Biology Notes Online
网页2024年9月28日 · Situated ventrally beneath and slightly behind the pectoral fins, pelvic fins are integral for maintaining position in the water column. In some species, such as members of the cod family, pelvic fins may even be located anterior to the pectoral fins.
Pelvic fins – Fishionary - Fisheries
网页2014年4月11日 · Pelvic fins. The pelvic fins are paired fins found on the ventral (bottom) side of fish. In teleost (bony) fishes, pelvic fins placement gives some indication of evolution. For more basal groups, the pelvic fins are located at mid-body in the abdominal region.
Pelvic fin - Wikiwand
网页Pelvic fins or ventral fins are paired fins located on the ventral (belly) surface of fish, and are the lower of the only two sets of paired fins (the other being the laterally positioned pectoral fins).
Development and Evolution of the Muscles of the Pelvic Fin
网页2011年10月4日 · Here we reveal that all bony fish species we have examined make pelvic fin muscle using the same developmental process, utilising a myotomal extension to deliver fin muscle precursors adjacent to the forming pelvic fin.
Pelvic fin locomotor function in fishes: three-dimensional …
网页2008年9月15日 · This paper tests three main hypotheses put forth in the early literature on pelvic fin function in fishes. First, that pelvic fins have a very limited three-dimensional motion during slow-speed steady swimming and during manoeuvres.
Pelvic fin - Simple English Wikipedia, the free encyclopedia
网页Pelvic fins or ventral fins are paired fins located on the ventral surface of fish. Structure and function. In actinopterygians, the pelvic fin consists of two bony girdles attached to bony radials. The lepidotrichia are positioned distally from the radials. Function. A pelvic fin's function is to provide powered corrective forces. Development.
Pelvic Fin - Encyclopedia.com
网页2018年5月29日 · pelvic fin (ventral fin) One of the pair of fins positioned on the under-side of the body of a fish. Depending on the species, the pelvic fins can be found in a mid-ventral (abdominal) position, underneath or just behind the pectoral fins (thoracic position), or in front of the pectorals in the throat region (jugular position).