Mercer's tusked silverside (Dentatherina merceri) fish species and information / pictures of Mercer's tusked silverside - Dentatherina merceri

Mercer's tusked silverside (Dentatherina merceri) fish species information

Scientific Name
Dentatherina merceri

Common Name
Mercer's tusked silverside

Biology
Dorsal spines (total): 6 - 9; Dorsal soft rays (total): 12-14; Anal spines: 1; Anal soft rays: 14 - 16. Labial ligament to about halfway along premaxilla forming cylindrical pouch lateral to ramus of dentary and just below edge of premaxilla. Premaxilla with ventrally directed tusk-like process. Caudal peduncle very slender. Midlateral scales 40-43; transverse scale rows 7 to 9; interdorsal scales 8-12.

Classification

Classified By

Patten & Ivantsoff, 1983

Class

Ray-finned fishes (Actinopterygii)

Order

Silversides (Atheriniformes)

Family

Silversides (Atherinidae)

Distribution

Region

Western Central Pacific

Distribution

Western Central Pacific: Philippines to north-eastern Australia and from Moluccas to the Trobriand Islands.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

pelagic-neritic

Environment

Marine; pelagic-neritic; non-migratory

Trophic Level

3.06 s.e. 0.31 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

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

5.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 1.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: of no interest

Vulnerability

Low vulnerability (10 of 100)

Resilience

Unknown

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated