Scientific Name
Synodus jaculum

Common Name
Lighthouse lizardfish

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 11-13; Anal spines: 0; Anal soft rays: 8 - 10. Body brownish above, with dark brown saddle blotches; fins transparent, with faint brown spots on dorsal and caudal rays (Ref. 11228). Prominent black blotch on its caudal peduncle (Ref. 1602).

Classification

Classified By

Russell & Cressey, 1979

Class

Ray-finned fishes (Actinopterygii)

Order

Grinners (Aulopiformes)

Family

Lizardfishes (Synodontidae)

Distribution

Region

Indo-Pacific

Distribution

Indo-Pacific: East Africa to the Line, Marquesan, and Society islands, north to the Izu Islands (Japan), south to New South Wales (Australia); Palau to Kosrae in Micronesia.

Range

33°N - 32°S

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

2 m

Depth To - meters

100 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 2 - 100 m (Ref. 11228)

Trophic Level

4.02 s.e. 0.68 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

True

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

20.0 cm

Common Length

10.0 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

Vulnerability

Low vulnerability (12 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