Boeseman's skate (Okamejei boesemani) fish species and information / pictures of Boeseman's skate - Okamejei boesemani

Boeseman's skate (Okamejei boesemani) fish species information

Scientific Name
Okamejei boesemani

Common Name
Boeseman's skate

Biology
Occur in the sublittoral zone, 70-90 m on sandy mud bottoms (Ref. 11230). 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 measure 6.1 cm long and 3.7 cm wide (Ref. 41249). Utilization details sketchy (Ref. 9908). Very rarely caught by demersal longline fisheries off Java. Utilized for its meat (Ref.58048).

Classification

Classified By

Ishihara, 1987

Class

Sharks and Rays (Elasmobranchii)

Order

Skates and Rays (Rajiformes)

Family

Skates (Rajidae)

Distribution

Region

Western Central Pacific

Distribution

Western Central Pacific: East and South China seas from Shanghai (China) to Kuching (Sarawak), and possibly off eastern Indonesia. Possibly wide ranging in the Indo-Pacific.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

70 m

Depth To - meters

90 m

Zone

demersal

Environment

Marine; demersal; depth range 70 - 90 m (Ref. 11230)

Trophic Level

3.97 s.e. 0.60 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

55.0 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:

Vulnerability

Moderate vulnerability (43 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)