Scientific Name
Istigobius goldmanni

Common Name
Goldman's goby

Biology
Dorsal spines (total): 7; Dorsal soft rays (total): 10-11; Anal spines: 1; Anal soft rays: 9 - 10; Vertebrae: 26. Upper pectoral fin rays entire. Nape with as many as 30 dark spots. A prominent diagonal, black line from posterior part of upper jaw to operculum. 4 broad, dark bands on abdomen; 2nd dorsal fin with 3-4 rows of black spots; pectoral fin clear, base with 2 small dusky spots. Predorsal cycloid scales 7-9, trunk ctenoid. In male, anal fin when appressed reaching almost the caudal fin; appressed 2nd dorsal fin overlapping caudal. Anal and 2nd dorsal fins of female when appressed reaching to within a distance of 2-3 scales of caudal fin.

Classification

Classified By

Bleeker, 1852

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Gobies (Gobiidae)

Distribution

Region

Western Pacific

Distribution

Western Pacific: Philippines to Fiji, north to Taiwan, south to northwestern Australia and southern Queensland. Recently recorded from Tonga (Ref. 53797).

Range

25°N - 30°S

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

1 m

Depth To - meters

5 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 1 - 5 m (Ref. 420)

Trophic Level

3.14 s.e. 0.33 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

6.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5005 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Aquarium: commercial

Vulnerability

Low vulnerability (18 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