Genus Psonopsis
Thero is a single species found: P. anomtele(Temminck Schlegel).
Gonus Parastromateus
A single species found in Thai water: P. niger(Bloch)
1a. Anterior part of dorsal and anal developer into a deep lobe, posterior part low, consisting of ray of equal lenath; caudal deeply forked.
1b. Anterior part of dorsal and anal developed into a deep lobo, posterior part gradually decreasing in depth to the last; audal emarginate or feebly forked..
Family Nomeidae
There is a single species known to us : Psenes indicus(Day).
SUBORDER ANALAISTOIDAI
only one family in this suborder: ANAIANTIDAE family Anabantidae
Key to genera
1a. origin of dorsal fin over or slightly in advance of bases of pectorals; dorsal fin longer than anal fin; ventral fins with a spine and five soft rays, none of which produced into a filament
1b. Origin of dorsal fin far behind bases of pectorals; dorsal fin shorter than anal fin; ventrals with first soft ray produced into a filament...
2a. Soft dorsal rays 7-11; soft anal rays 8-12 fixed conical teeth in jaws; a band of teeth on vomer: mouth rather large, oblique, not protractile, cleft of mouth extending to or beyond border of eye; opercle serrated.
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