Actinopterygii (ray-finned fishes) > Pleuronectiformes
(Flatfishes) > Bothidae
Etymology: Chascanopsetta: Greek, chaskanon, -ou = a mask used in classicla Greek theatre with the mouth opened + Greek, psetta = grouper (Ref. 45335). More on author: Alcock.
Environment / Climate / Range
Marine; bathydemersal; depth range 60 - 3210 m (Ref. 58018). Deep-water, preferred ?; 40°N - 32°S, 90°W - 168°E
Eastern Atlantic: Gulf of Guinea round the Cape to Natal, South Africa. Western Atlantic: Florida, USA and northern Gulf of Mexico to Brazil (Ref. 7251). Indo-Pacific: off the eastern coast of Africa and off India and Sri Lanka to Japan (Ref. 3322).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm TL male/unsexed; (Ref. 30573); common length : 25.0 cm TL male/unsexed; (Ref. 30573)
soft rays: 76 - 88. Body flexible. Mouth extremely large, maxillary not projecting beyond tip of snout. No canine tooth. Tip of lower jaw slightly beyond the upper; upper jaw shorter than head length.
Inhabits the deeper continental shelf to depths of almost 1,000 m (Ref. 27121). Found on sand, mud and clay bottoms (Ref. 4417). Feeds on larger benthic animals (Ref. 30573). Minimum depth reported taken from Ref. 30573.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Hensley, D.A., 1986. Bothidae. p. 854-863. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 4417)
IUCN Red List Status (Ref. 109396)
CITES (Ref. 94142)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00436 - 0.02294), b=3.02 (2.82 - 3.22), based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.5 ±0.37 se; Based on food items.
Resilience (Ref. 69278
): Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate to high vulnerability (51 of 100) .