Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Lophiiformes
(Anglerfishes) > Brachionichthyidae
Etymology: Pezichthys: Name from Greek 'pezo' (walking) and 'ichthys' (fish), referring to the ability of these fishes to walk on the sea floor using their hand-like pelvic fins and arm-like pectoral fins.; nigrocilium: Name from Latin 'niger' (black) and 'cilium' (eyelash), referring to a dark, eyelash-like markings above each orbit. More on authors: Last & Gledhill.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal. Temperate
Eastern Indian Ocean: Tasmania, Australia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.1 cm SL male/unsexed; (Ref. 82446)
Morphology | Morphometrics
soft rays: 8. This species is distinguished by the following combination of characters: small esca, 11% of illicium length (including esca); short, very slender illicium, without dermal spinules, its length about 16% SL, 3.5 times in head length; head length about 9 times snout length; short snout, length 6% SL; eye large, 5.6 times in head length; narrow body, maximum width 19% SL; interorbital width narrow, about 5% SL; scale bases subcircular with prominent, strongly divergent, bifurcate spinules (except for those closely associated with pores of the acoustico-lateralis system); spinules variable in length over body; dorsal-fin elements covered with spinules, outer fin membranes naked; first dorsal-fin base short, length 15% SL; second dorsal-fin rays 15, fin base about 57% SL; length of second dorsal-fin spine 1.4 times length of longest ray of second dorsal fin; anal-fin rays 8; body is predominantly pale pink with prominent eyelash-like marking radiating from eye; caudal fin plain, without fine spots (Ref. 82446).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Last, P. and D.C. Gledhill, 2009. A revision of the Australian handfishes (Lophiiformes: Brachionichthyidae), with descriptions of three new genera and nine new species. Zootaxa 2252:1-77. (Ref. 82446)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5313 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.4 ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .