Glovers hardyhead (Craterocephalus gloveri) fish species and information / pictures of Glovers hardyhead - Craterocephalus gloveri

Glovers hardyhead (Craterocephalus gloveri) fish species information

Scientific Name
Craterocephalus gloveri

Common Name
Glovers hardyhead

Biology
Distinguished from other hardyheads by a combination of the following characters (expressed in mean): greatest body depth (mean 4.9), least body depth (mean 10.3) both in SL; eye 3.0 in head; midlateral scale count (mean 31.4). Osteologically diagnosed by the combination of the following: dentition, shape of urohyal, medial wing of pelvic bone and premaxilla. Differs further in lacking ventral processes on fifth ceratobranchial for attachment of pharyngoclavicularis internus muscle (Ref. 26685).

Classification

Classified By

Crowley & Ivantsoff, 1990

Class

Ray-finned fishes (Actinopterygii)

Order

Silversides (Atheriniformes)

Family

Silversides (Atherinidae)

Distribution

Region

Oceania

Distribution

Oceania: Dalhousie Springs in Australia.

Range

Unknown

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; benthopelagic

Trophic Level

2.99 s.e. 0.39 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

False

Occurs in Brackish water

False

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

5.2 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

Unknown

Vulnerability

Low vulnerability (14 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Vulnerable (VU) (D2)