Smalleyed round stingray (Urotrygon microphthalmum) fish species and information / pictures of Smalleyed round stingray - Urotrygon microphthalmum

Smalleyed round stingray (Urotrygon microphthalmum) fish species information

Scientific Name
Urotrygon microphthalmum

Common Name
Smalleyed round stingray

Biology
Long and pointed snout. Disc angular in front and naked. Tail longer, pectorals are angular and caudal fin narrower. Upper surface gray and lower surface whitish (Ref. 6902).

Classification

Classified By

Delsman, 1941

Class

Sharks and Rays (Elasmobranchii)

Order

Skates and Rays (Rajiformes)

Family

American round stingrays (Urotrygonidae)

Distribution

Region

Western Atlantic

Distribution

Western Atlantic: Venezuela and the mouth of the Amazon.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

9 m

Depth To - meters

55 m

Zone

demersal

Environment

Marine; demersal; depth range 9 - 55 m (Ref. 58018)

Trophic Level

3.68 s.e. 0.57 Based on size and trophs of closest relatives

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

11.8 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5001 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Moderate to high vulnerability (45 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (Assuming fecundity

Threat To Humans

  Harmless

IUCN Red List Status

  Least Concern (LC)