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Bald glassy (Ambassis gymnocephalus) fish species and information / pictures of Bald glassy - Ambassis gymnocephalus

Bald glassy (Ambassis gymnocephalus) fish species information

Scientific Name
Ambassis gymnocephalus

Common Name
Bald glassy

Biology
Found in shallow waters; common in estuaries; may enter lower reaches of rivers. Can tolerate fresh water only within a narrow temperature (23-26°C). Feeds mainly at night on crustaceans, but also takes small fishes, fish eggs and larvae in estuaries (Ref. 7248). Marketed dried and salted

Classification

Classified By

Lacep?de, 1802

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Asiatic glassfishes (Ambassidae)

Distribution

Region

Indo-West Pacific

Distribution

Indo-West Pacific: Red Sea and South Africa to the Philippines, north to China (Ref. 33450) and Taiwan (Ref. 5193), south to northern Australia.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

22 °C

Water Temperature To

28 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Marine; freshwater; brackish; ; pH range: 7.2 - 8.2 demersal; amphidromous (Ref. 51243)

Trophic Level

3.91 s.e. 0.56 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

True

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

16.0 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

Fisheries: minor commercial

Vulnerability

Low vulnerability (12 of 100)

Resilience

High, minimum population doubling time less than 15 months (k=1.20)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated