Teleostei (teleosts) >
Pleuronectiformes (Flatfishes) >
Bothidae (Lefteye flounders)
Etymology: Chascanopsetta: Greek, chaskanon, -ou = a mask used in classicla Greek theatre with the mouth opened + Greek, psetta = grouper (Ref. 45335); novaeguineae: Named for its type locality, Papua New Guinea, where it is likely endemic.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 273 - 505 m (Ref. 119609). Tropical
Western Pacific: Papua New Guinea.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 28.0 cm SL male/unsexed; (Ref. 119609)
Short description
Identification keys | Morphology | Morphometrics
This species is distinguished by the following characters: gill rakers of the first gill arch 14-18; pseudobranch filaments 21-25; ratio of HL to UJOL 1.36-1.48 and to UJBL 1.39-1.51; ratio of HL to LJOL 1.04-1.11 and to LJBL 1.04-1.10; posterior flap of anterior-nostril on blind side does not extend to base of posterior nostril; anterior part of ocular side of body with small yellow blotches (Ref. 119609).
Cross section: flattened.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Tongboonkua, P., M.-Y. Lee and W.-J. Chen, 2018. A new species of sinistral flatfish of the genus Chascanopsetta (Teleostei: Bothidae) from off Papua New Guinea, western Pacific Ocean. Zootaxa 4476(1):168-181. (Ref. 119609)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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