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Porpita porpita, or the blue button, is a marine organism consisting of a colony of hydroids [2] found in the warmer, tropical and sub-tropical waters of the Pacific, [3] Atlantic, and Indian oceans, as well as the Mediterranean Sea and eastern Arabian Sea. [4] It was first identified by Carl Linnaeus in 1758, under the basionym Medusa porpita.
Epinephelus cyanopodus from New Caledonia, young, 135-mm-long specimen. Epinephelus cyanopodus, the speckled blue grouper, also known as the blue maori, purple rock cod, speckled grouper or yellowfin grouper, is a species of marine ray-finned fish, a grouper from the subfamily Epinephelinae which is part of the family Serranidae, which also includes the anthias and sea basses.
Deep black to tan fish with blue spots throughout. 50 cm (19.7 in) Blue line grouper: Cephalopholis formosa: No: Dark tan with horizontal blue stripes that are not particularly straight. The caudal fin has more of these stripes, and they radiate from the base of the fin out to the tips. 34 cm (13.4 in) Chalk bass: Serranus tortugarum: Yes
A rare monster-like fish has washed up on the shores of Crystal Cove Park in California, surprisingly the second one to be found at the park in the past few years.
Close-up of fish melanophores. Fish coloration is produced through specialized cells called chromatophores. The dermal chromatophore is a basic color unit in amphibians, reptiles, and fish which has three cell layers: "the xanthophore (contains carotenoid and pteridine pigments), the iridophore (reflects color structurally), and the melanophore (contains melanin)". [5]
The spot is a very important fish for both recreational and commercial fishing. In 2021 the total landing of spot in the Southern Atlantic sector of US waters was 322 t (317 long tons; 355 short tons) with 71% of that coming from recreational fishermen and 29% from commercial fisheries. 64% of the commercial landings were in Virginia. [11]
Paraplesiops bleekeri are benthic coastal reef inhabitants. [4] They live inside caves, under ledges and overhangs in reefs and estuaries. [4] [7] They were considered to inhabit waters ranging from 3 to 30 metres in depth, [1] [5] and are most often encountered in shallow waters less than 20 metres, however, recent observations suggest they also inhabit offshore reefs down to at least 50 metres.
Deflated Valentinni's sharpnose puffer. Tetraodontidae is a family of primarily marine and estuarine fish of the order Tetraodontiformes.The family includes many familiar species variously called pufferfish, puffers, balloonfish, blowfish, blowers, blowies, bubblefish, globefish, swellfish, toadfish, toadies, toadle, honey toads, sugar toads, and sea squab. [1]