Definition of Fin ray. Meaning of Fin ray. Synonyms of Fin ray

Here you will find one or more explanations in English for the word Fin ray. Also in the bottom left of the page several parts of wikipedia pages related to the word Fin ray and, of course, Fin ray synonyms and on the right images related to the word Fin ray.

Definition of Fin ray

Fin ray
Fin Fin, n.[OE. finne, fin, AS. finn; akin to D. vin, G. & Dan. finne, Sw. fena, L. pinna, penna, a wing, feather. Cf. pen a feather.] 1. (Zo["o]l.) An organ of a fish, consisting of a membrane supported by rays, or little bony or cartilaginous ossicles, and serving to balance and propel it in the water. Note: Fishes move through the water chiefly by means of the caudal fin or tail, the principal office of the other fins being to balance or direct the body, though they are also, to a certain extent, employed in producing motion. 2. (Zo["o]l.) A membranous, finlike, swimming organ, as in pteropod and heteropod mollusks. 3. A finlike organ or attachment; a part of an object or product which protrudes like a fin, as: (a) The hand. [Slang] (b) (Com.) A blade of whalebone. [Eng.] --McElrath. (c) (Mech.) A mark or ridge left on a casting at the junction of the parts of a mold. (d) (Mech.) The thin sheet of metal squeezed out between the collars of the rolls in the process of rolling. --Raymond. (e) (Mech.) A feather; a spline. 4. A finlike appendage, as to submarine boats. Apidose fin. (Zo["o]l.) See under Adipose, a. Fin ray (Anat.), one of the hornlike, cartilaginous, or bony, dermal rods which form the skeleton of the fins of fishes. Fin whale (Zo["o]l.), a finback. Paired fins (Zo["o]l.), the pectoral and ventral fins, corresponding to the fore and hind legs of the higher animals. Unpaired, or Median, fins (Zo["o]l.), the dorsal, caudal, and anal fins.

Meaning of Fin ray from wikipedia

- in ray-finned fish (Actinopterygii), fins are mainly composed of bony spines or rays covered by a thin stretch of scaleless skin; in lobe-finned fish...
- Ancient Gr**** ἀκτίς (aktis) 'having rays' and πτέρυξ (ptérux) 'wing, fins'), members of which are known as ray-finned fish or actinopterygians, is a class...
- A dorsal fin is a fin on the back of most marine and freshwater vertebrates. Dorsal fins have evolved independently several times through convergent evolution...
- They have feeler-like leading rays and extensions from each fin ray. When disturbed, they quickly expand their pectoral fins, often retracting them before...
- appendicular skeleton supporting the fins. The fins are made up of bony fin rays and, except for the caudal fin, have no direct connection with the spine...
- their characteristic mode of predation, in which a modified luminescent fin ray (the esca or illicium) acts as a lure for other fish. The luminescence...
- The haddock (Melanogrammus aeglefinus) is a sal****er ray-finned fish from the family Gadidae, the true cods. It is the only species in the monotypic genus...
- world's longest ray-finned fish. Its shape is ribbon-like, narrow laterally, with a dorsal fin along its entire length, stubby pectoral fins, and long, oar-shaped...
- is covered in cycloid scales. The dorsal fin is composed of spines and rays, separated by a notch. The anal fin also contains 3 spines. Lingcod do not have...
- gurnards or sea robins, are a family of bottom-feeding scorpaeniform ray-finned fish. The gurnards are distributed in temperate and tropical seas worldwide...