Machida's coralbrotula (Diancistrus machidai) fish species and information / pictures of Machida's coralbrotula - Diancistrus machidai

Machida's coralbrotula (Diancistrus machidai) fish species information

Scientific Name
Diancistrus machidai

Common Name
Machida's coralbrotula

Biology
Dorsal soft rays (total): 66-77; Anal soft rays: 50 - 64; Vertebrae: 40 - 43. The species is characterized by having Vertebrae 11+29-31 (32)=40-42 (43), dorsal fin rays 66-77, anal fin rays 50-64; large eyes (2.4-3.3% SL), D/V 6-7; outer pseudoclasper long, thick, with almost straight hook-like extension in ventral view; inner pseudoclasper anteriorly joined to outer pseudoclasper, broad, its supporter extended as distinct thorn to nearly length of extension of outer pseudoclasper; moderately wide scale patch on cheek with 5-6 scale rows on upper cheek, 0-2 scales on operculum above opercular spine; head is slender, broad; otolith length to height ratio 2.0-2.1; sulcus short, ratio otolith length to sulcus length 2.3-2.5 (Ref. 57884).

Classification

Classified By
Schwarzhans, M?ller & Nielsen, 2005
Class
Ray-finned fishes (Actinopterygii)
Order
Cusk eels (Ophidiiformes)
Family
Viviparous brotulas (Bythitidae)

Distribution

Region
Western Pacific
Distribution
Western Pacific: Philippines to Indonesia.
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
2 m
Depth To - meters
15 m
Zone
reef-associated
Environment
Marine; reef-associated; depth range 2 - 15 m (Ref. 57884)
Trophic Level
3.22 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
6.0 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
Unknown
Vulnerability
Low vulnerability (12 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