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[5] [6] Corallivorous fish come from 11 different families. [5] 39 species are obligate corallivores. [5] Butterflyfish have a wide range of adaptations that facilitate coral consumption. Some butterflyfish have long mouth that they use like forceps to pluck off individual coral polyps and some use their teeth to scrape off coral tissue. [2]
The biota of an aquatic ecosystem contribute to its self-purification, most notably microorganisms, phytoplankton, higher plants, invertebrates, fish, bacteria, protists, aquatic fungi, and more. These organisms are actively involved in multiple self-purification processes, including organic matter destruction and water filtration.
In 2021 pictures surfaced on Reddit of a linckia eating an Asternia it takes roughly 45 mins to fully devour the starfish. It's a worthy pest control depending on how abundant the food source is, as well as such factors as the conditions of shipping, acclimatization, and water quality, this species has been kept in captivity with variable success.
Siphonophorae (from Greek siphōn 'tube' + pherein 'to bear' [2]) is an order within Hydrozoa, which is a class of marine organisms within the phylum Cnidaria.According to the World Register of Marine Species, the order contains 175 species described thus far.
Even using conservative estimates, freshwater fish extinction rates in North America are 877 times higher than background extinction rates (1 in 3,000,000 years). [32] Projected extinction rates for freshwater animals are around five times greater than for land animals, and are comparable to the rates for rainforest communities. [ 24 ]
Cephalopholis miniata, also known as the coral grouper, coral hind, coral rock cod, coral cod, coral trout, round-tailed trout or vermillion seabass is a species of marine ray-finned fish, a grouper from the subfamily Epinephelinae which is in the family Serranidae which also includes the anthias and sea basses.
Mangrove crabs are predated on by wading birds, fish, sharks, [8] monkeys, hawks, and raccoons. [7] The larvae of mangrove crabs is a major source of food for juvenile fish in waterways near the crabs. [24] Adult mangrove crabs are food for the crab plover among other protected species. [17] To protect themselves the crabs can climb trees. [25]
High lipid content and porous bones result in an almost neutral buoyancy [8] and lack of swim bladder allows the fish to tolerate varying pressure extremes as they move through the water column. Over a third of the body weight (38.9%) of C. baikalensis is oil, but C. dybowskii contains far less (4.7%). [ 9 ]