Ocellate spot skate (Okamejei kenojei) fish species and information / pictures of Ocellate spot skate - Okamejei kenojei

Ocellate spot skate (Okamejei kenojei) fish species information

Scientific Name
Okamejei kenojei

Common Name
Ocellate spot skate

Biology
Bottom-dweller that feeds on invertebrates and bony fish. Oviparous. Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205). Eggs are oblong capsules with stiff pointed horns at the corners deposited in sandy or muddy flats (Ref. 205). Egg capsules are 4.8-6.6 cm long and 2.9-3.7 cm wide (Ref. 41249, 41253, 41298). Depth range given by H. Ishihara (pers.comm. 07/07).

Classification

Classified By

M?ller & Henle, 1841

Class

Sharks and Rays (Elasmobranchii)

Order

Skates and Rays (Rajiformes)

Family

Skates (Rajidae)

Distribution

Region

Northwest Pacific

Distribution

Northwest Pacific: Japan, Korea and Taiwan (Ref. 8630). Appears to be confined tot eh continental shelf off Japan and in the China Seas south to about Xiamen (Ref. 47737).

Range

Unknown

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

20 m

Depth To - meters

120 m

Zone

demersal

Environment

Marine; demersal; oceanodromous (Ref. 51243); depth range 20 - 120 m (Ref. 58497)

Trophic Level

4.1 s.e. 0.74 Based on food items.

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

34.0 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

Moderate vulnerability (44 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be

Threat To Humans

Other (Ref. 10311)

IUCN Red List Status

Data deficient (DD)