Plotosidae (striped catfish; class Osteichthyes, subclass Actinopterygii) A fairly small family of marine or freshwater catfishes that have an eel-like body, tapering towards the tail, four pairs of barbels around the mouth, a short dorsal fin, and pectoral fins which each bear a sharp, poisonous spine that can inflict painful wounds. There are about 30 species. The marine species are found in IndoPacific waters and especially around New Guinea and Australia, the freshwater species in Australian rivers.
More From encyclopedia.com
Indifferent Species , indifferent species A species with no real affinity for any particular community, but which is not rare (as an accidental species would be). It is fi… preferential species , preferential species In phytosociology, a species that is present with varying abundance in several communities, but is especially abundant and vigor… Littoral Fringe , littoral fringe The uppermost reaches of the littoral zone of marine ecosystems. On rocky shores it is the main area for Littorina species (periwinkl… Centrifugal Speciation , centrifugal speciation The principle that new species are likely to arise towards the centre of the range of the present species, rather than at the… Mites , Mites Mites are tiny arthropods in the order Acari (or Acarina), which also includes the somewhat larger ticks. The Acari is in the class Arachnida,… Constellation Diagram , constellation diagram A representation of species affinities that is based on χ2 as a measure of the association between species. The reciprocal of t…
About this article
Updated About encyclopedia.com content Print Article
You Might Also Like