Scientific Name
Parapercis cylindrica

Common Name
Cylindrical sandperch

Biology
Dorsal spines (total): 5; Dorsal soft rays (total): 21; Anal spines: 1; Anal soft rays: 17. This species is distinguished by the following characters: D V,21; A I,17; 14-16 (rarely 14 or 16) pectoral rays; 44-50 lateral-line scales; 2-3 + 6-8 gill rakers; 5-6 predorsal scales; ctenoid scales on cheek, 7-8 horizontal rows; 10 canine teeth at front of lower jaw, most posterior large and recurved; vomer teeth in a semicircular patch; with palatine teeth; a prominent sharp spine at upper edge of subopercle; posterior edge of preopercle usually irregular to finely serrate while edge of subopercle and upper edge of interopercle sometimes finely serrate, especially in large adults; body depth 4.0-4.35 in SL (23.0-25.0% SL); middle dorsal spine longest, 8.7-10.2% SL; membrane from last dorsal spine joined near base of first soft ray; caudal fin slightly rounded, 20.3-22.8% SL. Best recognized by the series of 10 quadrangular dark brown blotches along its back, progressively sh

Classification

Classified By

Bloch, 1792

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Sandperches (Pinguipedidae)

Distribution

Region

Western Pacific

Distribution

Western Pacific: north to southern Japan, south to New South Wales, Australia and east to Fiji and the Marshall Islands.

Range

30°N - 30°S

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

1 m

Depth To - meters

20 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 1 - 20 m (Ref. 1602)

Trophic Level

3.05 s.e. 0.46 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

23.0 cm

Common Length

Unknown 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: public aquariums

Vulnerability

Low vulnerability (24 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated