Longfin handfish (Pezichthys macropinnis) fish species and information / pictures of Longfin handfish - Pezichthys macropinnis

Longfin handfish (Pezichthys macropinnis) fish species information

Scientific Name
Pezichthys macropinnis

Common Name
Longfin handfish

Biology
Dorsal soft rays (total): 17; Anal soft rays: 8. This species is distinct in having the following characters: small esca, 12% of illicium length (including esca); very elongate and slender illicium, without dermal spinules, about 26% SL in length, 1.9 times in head length; head length about 5.4 times snout length; long snout, length 9% SL; eye 6.9 times in head length; robust body, maximum width about 32% SL; interorbit broad, width about 15% SL; scales with subcircular bases, monospinulate or with prominent, strongly diverging bifurcate spinules (except for those closely associated with pores of the acoustico-lateralis system); spinules variable in length over body; dorsal-fin elements mostly lack spinules, membranes of fins naked; first dorsal-fin base about 18% SL; second dorsal-fin rays 15, fin base 63% SL; fin rays very elongate, longest ray of second dorsal fin about 35% SL; length of second dorsal-fin spine 0.9 times length of longest ray of second dorsal fin; anal-fin ray

Classification

Classified By
Last & Gledhill, 2009
Class
Ray-finned fishes (Actinopterygii)
Order
Anglerfishes (Lophiiformes)
Family
Handfishes (Brachionichthyidae)

Distribution

Region
Eastern Indian Ocean
Distribution
Eastern Indian Ocean: South Australia.
Range
Unknown

Environment

Climate
Temperate
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
145 m
Zone
demersal
Environment
Marine; demersal; depth range ? - 145 m (Ref. 82446)
Trophic Level
s.e. 0.00 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
2.1 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5313 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Low vulnerability (10 of 100)
Resilience
Unknown
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated