Pearly rasbora (Rasboroides vaterifloris) fish species and information / pictures of Pearly rasbora - Rasboroides vaterifloris

Pearly rasbora (Rasboroides vaterifloris) fish species information

Scientific Name
Rasboroides vaterifloris

Common Name
Pearly rasbora

Biology
Occurs in shallow, cool, clear, quiet, heavily shaded forest streams, usually with a silty substrate and often in areas with a large amount of leaf debris in the water. Feeds on terrestrial insects (Diptera and Coleoptera, see Ref. 6469) and detritus. Males slimmer and brightly colored than females.

Classification

Classified By

Deraniyagala, 1930

Class

Ray-finned fishes (Actinopterygii)

Order

Carps (Cypriniformes)

Family

Minnows or carps (Cyprinidae)

Distribution

Region

Asia

Distribution

Asia: found only in the middle catchment area of Kalu to Nilwala basins, Sri Lanka.

Range

7°N - 6°N

Environment

Climate

Tropical

Water Temperature From

25 °C

Water Temperature To

29 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; ; pH range: 6.0 - 6.0; dH range: 5 - 8 benthopelagic

Trophic Level

2.8 s.e. 0.32 Based on food items.

Occurs in Marine / Salt water

False

Occurs in Brackish water

False

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

True

Physical Size and Genetics

Maximum Length

4.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: of no interest; aquarium: commercial

Vulnerability

Low vulnerability (10 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: conservation dependent (LR/cd)