Blackblotch squirrelfish (Sargocentron melanospilos) fish species and information / pictures of Blackblotch squirrelfish - Sargocentron melanospilos

Blackblotch squirrelfish (Sargocentron melanospilos) fish species information

Scientific Name
Sargocentron melanospilos

Common Name
Blackblotch squirrelfish

Biology
Dorsal spines (total): 11; Dorsal soft rays (total): 12-14; Anal spines: 4; Anal soft rays: 9 - 10. Body with red and white stripes following the scale rows; black blotch at base of soft dorsal, anal, and caudal fins, but may be faint or absent in caudal and anal fins (Ref. 4201, 48635). Uniformly small ctenii on posterior margin of scales of body. Inferior mouth due to hypertrophy of median part of upper lip (front of upper lip thickened and slightly protruding) (Ref. 3079). Five oblique scale rows on cheek; body depth 2.7-2.95 in SL; head length (HL) 2.6-2.9 in SL; snout length 3.6-4.4 in HL; interorbital width 4.4-5.25 in HL; slender caudal peduncle, depth 3.9-4.65 in HL; maxilla extending from below center of the eye to a vertical at rear edge of pupil, upper jaw length 2.25-2.4 in HL; premaxillary groove ending above or slightly posterior to a vertical at the front edge of orbit; anterior end of nasal bone ending with a small spine; surface or medial edge of nasa

Classification

Classified By

Bleeker, 1858

Class

Ray-finned fishes (Actinopterygii)

Order

Sawbellies (Beryciformes)

Family

Squirrelfishes, soldierfishes (Holocentridae)

Distribution

Region

Indo-Pacific

Distribution

Indo-Pacific: Red Sea (Ref. 12541), Zanzibar (Tanzania), Aldabra and Seychelles to the Marshall Islands and American Samoa, north to Taiwan, southern Japan and the Ogasawara Islands, south to the southern Great Barrier Reef and the Chesterfield Islands. Replaced by Sargocentron marisrubri in the Red Sea (Ref. 37816).

Range

30°N - 24°S

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

5 m

Depth To - meters

90 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 5 - 90 m (Ref. 27370)

Trophic Level

3.99 s.e. 0.66 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

True

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

25.0 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

Unknown

Vulnerability

Low vulnerability (20 of 100)

Resilience

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

Threat To Humans

  Venomous (Ref. 2334)

IUCN Red List Status

  Not Evaluated