Johnson's gurnard perch (Neosebastes johnsoni) fish species and information / pictures of Johnson's gurnard perch - Neosebastes johnsoni

Johnson's gurnard perch (Neosebastes johnsoni) fish species information

Scientific Name
Neosebastes johnsoni

Common Name
Johnson's gurnard perch

Biology
Dorsal spines (total): 8; Dorsal soft rays (total): 8; Anal spines: 3; Anal soft rays: 5. Diagnosis: Underside of mandible with numerous tiny pores, no ridges. Preocular spine usually divided into 2 points, and flattened anteriorly and posteriorly. There are no additional spines between lacrimal and suborbital ridges. Upper opercular spine usually simple. Midinterorbital space usually covered with scales. Pored lateral-line scales 30-35 (mode 32); longitudinal scale rows 49-57 (52). Pectoral-fin rays 20-22 (21); pectoral fin long (2.6-3.0, mean 2.8 in SL), reaching or extending beyond a vertical at origin of last dorsal-fin spine. Posterior margin of maxilla not reaching a vertical at posterior margin of pupil. Interorbital width wide (5.5-7.1, 6.4 in HL). Bilobed portion of swimbladder approximately equal to half of total swim bladder length. There are numerous distinct small black spots on lateral line and posterior part of eye (spots absent in juveniles les

Classification

Classified By
Motomura, 2004
Class
Ray-finned fishes (Actinopterygii)
Order
Scorpionfishes and Flatheads (Scorpaeniformes)
Family
Gurnard scorpionfishes (Neosebastidae)

Distribution

Region
Western Pacific
Distribution
Western Pacific: Off northeastern coast of Queensland, Australia.
Range
17°S - 28°S

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
138 m
Depth To - meters
270 m
Zone
demersal
Environment
Marine; demersal; depth range 138 - 270 m (Ref. 54394)
Trophic Level
3.5 s.e. 0.58 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
17.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5002 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Low vulnerability (11 of 100)
Resilience
Unknown
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated