- published: 22 Apr 2015
- views: 156
Fins are usually the most distinctive features of a fish, composed of bony spines or rays protruding from the body with skin covering them and joining them together, either in a webbed fashion, as seen in most bony fish, or similar to a flipper, as seen in sharks. Apart from the tail or caudal fin, fish fins have no direct connection with the spine and are supported by muscles only. Their principal function is to help the fish swim. Fins located in different places on the fish serve different purposes, such as moving forward, turning, keeping an upright position or stopping. Most fish use fins when swimming, flying fish use pectoral fins for gliding, and frogfish use them for crawling. Fins can also be used for other purposes; male sharks and mosquitofish use a modified fin to deliver sperm, thresher sharks use their caudal fin to stun prey, reef stonefish have spines in their dorsal fins that inject venom, anglerfish use the first spine of their dorsal fin like a fishing rod to lure prey, and triggerfish avoid predators by squeezing into coral crevices and using spines in their fins to lock themselves in place.
Video shows what pelvic fin means. Either of a pair of fins on either side and towards the rear of a fish.. pelvic fin synonyms: abdominal fin. Pelvic fin Meaning. How to pronounce, definition audio dictionary. How to say pelvic fin. Powered by MaryTTS, Wiktionary
Silver arowana with one weird pelvic fin, it is bent when I first got it, now its ray tip is missing, it's been 2 weeks and there's no sign of healing. I wonder what happened to it and if there's anything I can do
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Recorded live on November 8th 2015 at Kytopia, Utrecht, The Netherlands Camera: Paul van Dorsten, Leo Kraan, Jeroen Soeterik, Geert Verhoeff en Lotte van Leengoed Mix: Mark van Bavel Edit: Leo Kraan www.kytopia.nl www.staplab.nl www.3voor12utrecht.nl
This video teaches about the fins on a fish: caudal, anal, pelvic (2), pectoral (2), dorsal fins.
What does pelvic fin mean? A spoken definition of pelvic fin. Intro Sound: Typewriter - Tamskp Licensed under CC:BA 3.0 Outro Music: Groove Groove - Kevin MacLeod (incompetech.com) Licensed under CC:BA 3.0 Intro/Outro Photo: The best days are not planned - Marcus Hansson Licensed under CC-BY-2.0 Book Image: Open Book template PSD - DougitDesign Licensed under CC:BA 3.0 Text derived from: http://en.wiktionary.org/wiki/pelvic_fin Text to Speech powered by TTS-API.COM