Deroy's cuskeel (Ogilbia deroyi) fish species and information / pictures of Deroy's cuskeel - Ogilbia deroyi

Deroy's cuskeel (Ogilbia deroyi) fish species information

Scientific Name
Ogilbia deroyi

Common Name
Deroy's cuskeel

Biology
Dorsal soft rays (total): 68-80; Anal soft rays: 51 - 59; Vertebrae: 39 - 43. This species is characterized by the following: vertebrae 11-12 + 27-31 = 39-43, dorsal fin rays 68-80, anal fin rays 51-59; outer pseudoclasper with a broad base and long supporter with sharp, pointed tip; inner pseudoclasper is anteriorly inclined, of about length of outer pseudoclasper, with sharp, spine-like tip anteriorly and fleshy flap posteriorly; isthmus between pseudoclaspers wide, penis with abrupt change in thickness; opercular spine with a single, sharp tip; cheeks naked or with few isolated scales (less than 10 scales all together); otolith length: height ratio 2.1-2.2; upper preopercular pore absent (Ref. 57883).

Classification

Classified By
Poll & van Mol, 1966
Class
Ray-finned fishes (Actinopterygii)
Order
Cusk eels (Ophidiiformes)
Family
Viviparous brotulas (Bythitidae)

Distribution

Region
Southeast Pacific
Distribution
Southeast Pacific: Galapagos Islands.
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
0 m
Depth To - meters
10 m
Zone
reef-associated
Environment
Marine; reef-associated; depth range 0 - 10 m (Ref. 57883)
Trophic Level
3.21 s.e. 0.51 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
True
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
7.0 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
Fisheries: of no interest
Vulnerability
Low vulnerability (12 of 100)
Resilience
Low, minimum population doubling time 4.5 - 14 years (Assuming Fec
Threat To Humans
  Harmless
IUCN Red List Status
  Least Concern (LC)