Longsnout No-line Scorpionfish (Phenacoscorpius longirostris) fish species and information / pictures of Longsnout No-line Scorpionfish - Phenacoscorpius longirostris

Longsnout No-line Scorpionfish (Phenacoscorpius longirostris) fish species information

Scientific Name
Phenacoscorpius longirostris

Common Name
Longsnout No-line Scorpionfish

Biology
Dorsal spines (total): 12; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 5. This species is distinguished by the following combination of characters: pectoral-fin rays 17, all rays unbranched; no palatine teeth; second preopercular spine well-developed, its length longer than third or fourth spines; long snout, its length 12.8-13.1% (mean 12.9%) SL and 27.9-28.6% (mean 28.2%) HL; small eye, orbit diameter 12.3-13.2% (mean 12.8%) SL and 26.9-28.8% (27.8%) HL; narrow head, its width 27.4-28.3% (27.8%) SL; long and shallow caudal peduncle, length and depth 16.9-17.6% (17.3%) SL and 7.1-8.2% (7.7%) SL respectively; long predorsal length 42.2-43.1% (42.7%) SL; long preanal length 74.9-75.0% (74.9%) SL; long prepelvic length 43.1-43.5% (43.3%) SL (Ref. 82686).

Classification

Classified By
Motomura & Last, 2009
Class
Ray-finned fishes (Actinopterygii)
Order
Scorpionfishes and Flatheads (Scorpaeniformes)
Family
Scorpionfishes or rockfishes (Scorpaenidae)

Distribution

Region
Southwest Pacific
Distribution
Southwest Pacific: south of Northfolk Island, Norfolk Island Ridge, Tasman Sea.
Range
29°S - 30°S, 159°E - 169°E

Environment

Climate
Temperate
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
demersal
Environment
Marine; demersal
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
4.8 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5312 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

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