Speckled sandperch (Parapercis hexophtalma) fish species and information / pictures of Speckled sandperch - Parapercis hexophtalma

Speckled sandperch (Parapercis hexophtalma) fish species information

Scientific Name
Parapercis hexophtalma

Common Name
Speckled sandperch

Biology
Dorsal spines (total): 5; Dorsal soft rays (total): 21-22; Anal spines: 1; Anal soft rays: 17 - 18. Easily identified by the large black blotch on the tail. Body and head spotted, except in large males that feature lines on the cheek instead (Ref. 48636). Upper third of body greenish to brownish grey, flecked with dark brown, the lower two-thirds white with 3 or 4 longitudinal rows of small dark brown spots, sometimes linked by narrow dark stripes except lower row as discrete yellow-edged black spots. Caudal fin with a very large black spot centrobasally in fin. Last membrane of spinous portion of dorsal fin connected to first dorsal-fin ray nearly at height of fifth dorsal-fin spine (Ref 42740).

Classification

Classified By
Cuvier, 1829
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Sandperches (Pinguipedidae)

Distribution

Region
Indian Ocean.
Distribution
Indian Ocean.
Range
30°N - 30°S

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
2 m
Depth To - meters
22 m
Zone
reef-associated
Environment
Marine; reef-associated; depth range 2 - 22 m (Ref. 9710)
Trophic Level
3.54 s.e. 0.59 Based on diet studies.
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
True
Is kept in Aquariums
True

Physical Size and Genetics

Maximum Length
29.0 cm
Common Length
18.0 cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: minor commercial; aquarium: commercial
Vulnerability
Low to moderate vulnerability (28 of 100)
Resilience
High, minimum population doubling time less than 15 months (K=0.4)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated