Rubynose brotula (Cataetyx rubrirostris) fish species and information / pictures of Rubynose brotula - Cataetyx rubrirostris

Rubynose brotula (Cataetyx rubrirostris) fish species information

Scientific Name
Cataetyx rubrirostris

Common Name
Rubynose brotula

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 100-114; Anal spines: 0; Anal soft rays: 74 - 86; Vertebrae: 59 - 63. scales present on body and head; eye diameter less than snout length; prominent opercular spine present; lateral ethmoid bone developed as a sharp retrorse suborbital spine; palatine teeth present; 3 well developed rakers on first arch; male intromittent organ on a broad, fleshy pad or stalk (Ref. 38374); branchiostegal rays: 8 (Ref. 36488).

Classification

Classified By

Gilbert, 1890

Class

Ray-finned fishes (Actinopterygii)

Order

Cusk eels (Ophidiiformes)

Family

Viviparous brotulas (Bythitidae)

Distribution

Region

Eastern Pacific

Distribution

Eastern Pacific: northern Oregon, USA to Pacific coast of Baja California and the Gulf of California. Specimens from the Gulf of Panama and Chile either this species or still undescribed.

Range

46°N - 32°N

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

300 m

Depth To - meters

1000 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 300 - 1000 m (Ref. 34024)

Trophic Level

3.48 s.e. 0.49 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

15.7 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5002 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: of no interest

Vulnerability

Low vulnerability (23 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tmax>3)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated