Blue gudgeon (Ptereleotris microlepis) fish species and information / pictures of Blue gudgeon - Ptereleotris microlepis

Blue gudgeon (Ptereleotris microlepis) fish species information

Scientific Name
Ptereleotris microlepis

Common Name
Blue gudgeon

Biology
Dorsal spines (total): 7; Dorsal soft rays (total): 25-29; Anal spines: 1; Anal soft rays: 24 - 27; Vertebrae: 26 - 27. Pale to bluish gray in color; pectoral fin base with a narrow, pale blue-edged, black band; postorbital head with irregular, pale to iridescent blue bands and spots. Chin with a median, fleshy protuberance narrowing to a thin fold. Scales embedded, close-set, non imbricate (except on posterior part). 1st dorsal fin lower than 2nd; 2nd dorsal and anal fins elevated anteriorly. Closely resembles P. heteropterus but lacks the blue mark on the tail (Ref. 1602).

Classification

Classified By
Bleeker, 1856
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Dartfishes (Ptereleotridae)

Distribution

Region
Indo-Pacific
Distribution
Indo-Pacific: Red Sea to the Line and Tuamoto islands, north to the Ryukyu Islands, south to the southern Great Barrier Reef.
Range
30°N - 30°S

Environment

Climate
Tropical
Water Temperature From
22 °C
Water Temperature To
27 °C
Depth From - meters
1 m
Depth To - meters
50 m
Zone
reef-associated
Environment
Marine; reef-associated; depth range 1 - 50 m (Ref. 27115), usually 1 - 10 m (Ref. 48637)
Trophic Level
3.38 s.e. 0.44 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
True

Physical Size and Genetics

Maximum Length
13.0 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
Aquarium: commercial
Vulnerability
Low vulnerability (10 of 100)
Resilience
Unknown
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated