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Toxopneustes pileolus, commonly known as the flower urchin, is a widespread and commonly encountered species of sea urchin from the Indo-West Pacific. It is considered highly dangerous, as it is capable of delivering extremely painful and medically significant stings when touched.
Plectorhinchus caeruleonothus was previously considered to be a legendary fish [3] which existed only in fishermen's tales. The fish is very difficult to catch. [4] Plectorhinchus caeruleonothus was identified through several features unique to it, such as a distinctive pattern on juveniles and small nostrils. [5]
Blue runner is also of high importance to recreational fisheries, with anglers often taking the species both for food and to use as bait. The blue runner has a reputation as an excellent gamefish on light tackle, taking both fish baits, as well a variety of lures including hard-bodied bibbed lures, spoons, metal jigs and soft plastic jigs. [39]
Flowerhorn breeding resulted in culling of surplus and deformed fish, some of which were dumped in the wild in Malaysia and Singapore, where they survived and disrupted riverine and pond ecosystems. [ 3 ] [ 4 ] Like most other cichlids, flowerhorns are aggressive and can breed quickly, competing with and eating native fish.
It is caught using fish traps, lines and bottom trawls. [7] This species is also a game fish targeted by recreational anglers, the best areas for angling for pink dentex are the Balearic Islands, the Costa del Sol and the Tarifa area of Andalusia in Spain, Mediterranean France, Sardinia, Sicily and Naples in Italy, Montenegro and Morocco. [8]
The poison is produced by several types of bacteria obtained from the fish's diet. [11] As a result of these three defenses, porcupinefish have few predators, though adults are sometimes preyed upon by sharks and orcas. Juveniles are also preyed on by Lysiosquillina maculata, tuna, and dolphins. [5]
Paracanthurus hepatus is a species of Indo-Pacific surgeonfish.A popular fish in marine aquaria, it is the only member of the genus Paracanthurus. [2] [3] A number of common names are attributed to the species, including regal tang, palette surgeonfish, blue tang (leading to confusion with the Atlantic species Acanthurus coeruleus), royal blue tang, hippo tang, blue hippo tang, flagtail ...
In the wild, they all form symbiotic mutualisms with sea anemones. Depending on the species, anemonefish are overall yellow, orange, or a reddish or blackish color, and many show white bars or patches. The largest can reach a length of 17 cm (6 + 1 ⁄ 2 in), while the smallest barely achieve 7–8 cm (2 + 3 ⁄ 4 – 3 + 1 ⁄ 4 in).