Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Lophiiformes (Anglerfishes) >
Chaunacidae (Sea toads o coffinfishes)
Etymology: Chaunax: Greek, chaunax, -akos = a conceited man (Ref. 45335); obscurus: Name from Latin adjective meaning dark, referring to the black mouth cavity and gill chamber..
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 200 - 300 m (Ref. 127469). Subtropical
Northwest Pacific: Taiwan.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 25.4 cm SL male/unsexed; (Ref. 127469)
Short description
Morphology | Morphometrics
Dorsal
spines
(total): 3;
Dorsal
soft rays
(total): 12;
Anal
soft rays: 7. This species of the Chaunax fimbriatus group is distinguished from other members by its black mouth cavity and gill chamber; skin with simple spinules; caudal peduncle relatively short (TL1 = 25.5% SL, TL2 = 17.9% SL, TL3 = 13.5% SL); flanking neuromasts with 3-5 spinules; modal lateral-line neuromasts: upper preopercular series 2, infraorbital series 6, lower preopercular series 3 or 4, hyomandibular series 3 and pectoral series 11 or 12; pectoral-fin rays 13 or 14. Colouration: when fresh orange-red with irregular small yellow patterns on dorsal surface, the latter turning pale when preserved and yellowish green to brown esca (Ref. 127469).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Ho, H.-C. and W.-C. Ma, 2022. Four new species of the frogmouth genus Chaunax (Lophiiformes: Chaunacidae) from Taiwan and the Philippines. Zootaxa 5189(1):146-179. (Ref. 127469)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
More information
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
Age/SizeGrowthLength-weightLength-lengthLength-frequenciesMorphometricsMorphologyLarvaeLarval dynamicsRecruitmentAbundanceBRUVS
ReferencesAquacultureAquaculture profileStrainsGeneticsElectrophoresesHeritabilityDiseasesProcessingNutrientsMass conversion
Tools
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic level (Ref.
69278): 4.2 ±0.7 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (21 of 100).
