Shorefishes of the Eastern Pacific online information system

Español  Contact

Species: Hypsoblennius maculipinna, Fin-spot blenny

All Families:   All Genera:   All Species:

eye: 1 short branched cirrus
dark bar behind eye
front D - elongate dark blotch
back - dark + network pale spots
D & A join C
no canines

Hypsoblennius maculipinna (Regan, 1903)

Fin-spot blenny

Moderately elongate; short robust head, somewhat pointed, with convex upper profile; rear nostril with a short, pointed cirrus; a short (less than eye diameter) cirrus with several short branches over eye; no cirri on nape; teeth with blunt flattened tips, in single rows, not movable, no rear canines on either jaw; gill openings restricted to sides of body by fusion of gill cover membranes to throat; dorsal fin XII, 14 a slight notch between the spiny and soft parts; anal rays II, 16; last rays of dorsal and anal fins joined by membranes to base of tail fin.

Grey brown; head with an irregular oblique bar behind eye, connected to a blotch on cheek; upper body dark with a network of pale round blotches; midflank with a row of irregular spots or blotches; dorsal fin with a dark stripe covering its outer half along the first 3-4 spines.

Size reaches at least 6.2 cm.

Depth: 0-2 m.

Habitat: mud and sand bottoms in brackish and freshwater of coastal streams and estuaries

Costa Rica to Ecuador.

High Resolution Map Download

Species Data Create Report Export as Word File Export as Excel File
  • Non Marine
  • Freshwater
  • Brackish
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
  • Bottom only
  • Estuary
  • Soft bottom only
  • Mud
  • Sand & gravel
  • Mangrove
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Freshwater
FishBase Habitat
  • Demersal
Feeding Group
  • Omnivore
  • No Data
  • Mobile benthic worms
  • No Data
  • Mobile benthic crustacea (shrimps/crabs)
  • Benthic microalgae
Egg Type
  • No data
  • Benthic
  • Pelagic larva
Global Endemism
  • All species
  • Tropical Eastern Pacific (TEP) endemic
  • East Pacific endemic
Regional Endemism
  • Continent only
  • All species
  • Continental TEP endemic
  • Continent
  • TEP endemic
  • Panamic province endemic
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Data deficient
  • Listed
  • Not listed
Depth Range Max
  • 2
Depth Range Min
  • 0
Length Max
  • 6.2