Scientific Name
Craterocephalus kailolae

Common Name
Kailola's hardyhead

Biology
Dorsal spines (total): 5 - 8; Dorsal soft rays (total): 6-8; Anal spines: 1; Anal soft rays: 8 - 10. Branched pectoral rays 11 to 13.

Classification

Classified By

Ivantsoff, Crowley & Allen, 1987

Class

Ray-finned fishes (Actinopterygii)

Order

Silversides (Atheriniformes)

Family

Silversides (Atherinidae)

Distribution

Region

Oceania

Distribution

Oceania: known only from creeks near Safia in eastern Papua New Guinea on the northern side of the Owen Stanley Range. This is the only member of the genus found north of the Central Divide.

Range

7°S - 8°S

Environment

Climate

Tropical

Water Temperature From

22 °C

Water Temperature To

24 °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

6.0 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

Unknown

Vulnerability

Low vulnerability (16 of 100)

Resilience

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

Threat To Humans

Harmless

IUCN Red List Status

Lower Risk: least concern (LR/lc)