2018年5月14日 · Toadfish are renowned for their territorial behavior, and it is likely that these loud calls have developed to warn off potential rivals through a series of grunts and postures. As an additional deterrent to potential attackers, toadfish have a number of venomous spines which can inflict an irritating, if not lethal, injection of toxins to a ...

The IUCN lists five species of toadfishes as Vulnerable— the Cotuero toadfish (Batrachoides manglae), the whitespotted toadfish (Sanopus astrifer), the whitelined toadfish (S. green-fieldorum), the reticulated toadfish (S. reticulatus), and the splendid coral toadfish (S. splendidus). A number of species appear to have very limited distributions.

Behavior and reproduction: Oyster toadfish make a grunting noise by rubbing muscles across their swim bladder. Males use a boat-whistle call to attract females to nesting sites. Males establish nesting sites from April through October. Oyster toadfish and people: Oyster toadfish are helpful to people because they are used for medical studies.

CHITONS: PolyplacophoraGUMBOOT CHITON (Cryptochiton stelleri): SPECIES ACCOUNTSVEILED CHITON (Placiphorella velata): SPECIES ACCOUNTS Source for information on Chitons: Polyplacophora: Grzimek's Student Animal Life Resource dictionary.