Scientific Name
Amblygobius nocturnus

Common Name
Nocturn goby

Biology
Dorsal spines (total): 7; Dorsal soft rays (total): 14; Anal spines: 1; Anal soft rays: 14. Differs from A. decussatus by having 2 somewhat broader longitudinal red bands (sometimes dark edged) as well as red bands basally on the soft dorsal and anal fins, and lacking scattered red spots on the body.

Classification

Classified By

Herre, 1945

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Gobies (Gobiidae)

Distribution

Region

Western Indian Ocean

Distribution

Western Indian Ocean: Maldives (Ref. 30829) and the Red Sea and Arabian Gulf (Ref. 11441). Pacific Ocean: Philippines to the Tuamoto Islands, north to Yaeyama Islands, south to Rowley Shoals, southern Great Barrier Reef and Rapa; Guam and Kapingamarangi in Micronesia.

Range

35°N - 28°S, 32°E - 143°W

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

3 m

Depth To - meters

30 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 3 - 30 m (Ref. 9710)

Trophic Level

2.68 s.e. 0.21 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

True

Physical Size and Genetics

Maximum Length

10.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5001 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Aquarium: commercial

Vulnerability

Low to moderate vulnerability (27 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