Scientific Name
Rudarius ercodes

Common Name
Whitespotted pygmy filefish

Biology
Found among bottom cover (Ref. 9710). Oviparous (Ref. 205). Females attach adhesive eggs to seaweed with the mouth and guard them until embryos hatch (Ref. 40060).

Classification

Classified By

Jordan & Fowler, 1902

Class

Ray-finned fishes (Actinopterygii)

Order

Puffers and Filefishes (Tetraodontiformes)

Family

Filefishes (Monacanthidae)

Distribution

Region

Northwest Pacific

Distribution

Northwest Pacific: Taiwan (Ref. 47843), Japan (central Honshu to southern Kyushu) and southern Korea.

Range

Unknown

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

reef-associated

Environment

Marine; reef-associated; oceanodromous (Ref. 51243)

Trophic Level

2.94 s.e. 0.34 Based on diet studies.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

True

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

7.5 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.6250 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low vulnerability (12 of 100)

Resilience

High, minimum population doubling time less than 15 months (K=1.20; tm=1)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated