Arrow loach (Nemacheilus masyai) fish species and information / pictures of Arrow loach - Nemacheilus masyai

Arrow loach (Nemacheilus masyai) fish species information

Scientific Name
Nemacheilus masyai

Common Name
Arrow loach

Biology
Dorsal soft rays (total): 13; Anal soft rays: 8. Distinguished from all other species of nemacheilines in Indochinese area by its color pattern consisting of a light background with 14-18 dark blotches along sides and 12-17 dark saddles along the back, a black spot at posterior extremity of lateral line and a black spot on anterior dorsal rays at about one fourth of ray length. From the closely related N. pallidus, it is distinguished by a slender body (body depth 12.6-17.6% SL versus 14.8-19.1), eye situated more on the top of head (interorbital width 4.9-6.8% SL, versus 5.7-8.0; and darker and wider markings (spots and saddles usually wider than interspaces, versus thinner).

Classification

Classified By

Smith, 1933

Class

Ray-finned fishes (Actinopterygii)

Order

Carps (Cypriniformes)

Family

River loaches (Balitoridae)

Distribution

Region

Asia

Distribution

Asia: western Malaysia, Peninsular Thailand, the Meklong and part of the Mae Nam Chao Phraya basins (Ref. 39226). Likely to occur in the Mekong basin (Ref. 12693).

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; benthopelagic

Trophic Level

2.99000000953674 s.e. 0.31 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

13.5 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

Aquarium: commercial

Vulnerability

Low vulnerability (23 of 100)

Resilience

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

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated