Scientific Name
Trimma naudei

Common Name
Naude's rubble goby

Biology
Dorsal spines (total): 7; Dorsal soft rays (total): 7-8; Anal spines: 1; Anal soft rays: 7 - 9. Diagnosis: a frontal ridge behind the orbits that slopes steeply into a wide interorbital trench anteromedially, and into postorbital trenches laterally; posterior nasal opening separate from eye; second spine of first dorsal fin elongate, third spine occasionally elongate; fifth pelvic fin ray branched once dichotomously; body color orange-red with seven dorsolateral white spots between posterodorsal margin of the peduncle and origin of first dorsal, and with four ventrolateral spots between posteroventral margin of peduncle and origin of last anal ray; facial pattern uniform dusky orange-grey colour under orbit, with an orange vertical blotch, edged in melanophores on vertical limb of the preopercle resembling a club; conspicuous bar of melanophores extending vertically across posterior margin of pectoral base (Ref. 57688).

Classification

Classified By

Smith, 1957

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Gobies (Gobiidae)

Distribution

Region

Indo-West Pacific

Distribution

Indo-West Pacific: Seychelles, Aldabra, Chagos Islands, Ryukyu Islands, and Loyalty Islands; Mariana and Marshall islands in Micronesia.

Range

30°N - 22°S

Environment

Climate

Tropical

Water Temperature From

22 °C

Water Temperature To

26 °C

Depth From - meters

3 m

Depth To - meters

30 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 3 - 30 m (Ref. 1602), usually 3 - 30 m (Ref. 27115)

Trophic Level

3.3 s.e. 0.42 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

True

Physical Size and Genetics

Maximum Length

3.5 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

Aquarium: commercial

Vulnerability

Low vulnerability (11 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