Shorefishes of the Eastern Pacific online information system

Español  Contact

Species: Emblemaria hudsoni, Naked Blenny

All Families:   All Genera:   All Species:

male eye cirri very long, flattened
male: 1st D spine ~ 4 skin flaps
male: red brown; eye cirri green + orange; thin cream bars on body
A 25-26
female: pale spots in dark mesh, D with dark spot

Emblemaria hudsoni Evermann & Radcliffe, 1917

Naked Blenny

Body elongate, compressed; head short and blunt in male, more pointed in female; head without spines; 2 longitudinal very rough ridges on snout (better developed in male), groove between them extends to between eyes; front nostril a short tube with a small tentacle; 1 unbranched cirrus over eye that is flattened and very long (~ 3 times eye diamter) in male; jaws with an outer row of short, strong, slightly compressed teeth, at front those are followed by a band of minute, pointed teeth; center of roof of mouth with no teeth or a few minute teeth, 1 row of strong teeth on each side of roof of mouth; both lips minutely fringed; gill rakers small, 3+9; dorsal fin XXI-XXIII, 16-17, male with large, sail-like front of dorsal fin, spines IV-VII longest (about as long as head), front edge of 1st spine with 5-6 membranous flaps, female with front of fin a little elevated; anal fin II, 25-26; tail fin rounded, attached to dorsal and anal fins; pectoral rays 13; pelvic fin longer than pectoral.

Male: reddish brown; body with a series of ~ 10 widely separated thin cream bars, with a rounded black spot on midflank between each pair of bars; side of head with large organish blotches, top of head with orange spots, mouth with thin orange bars; eye cirri yellowish green, with 2 orange cross-bars and orange tips; dorsal fin creamy, with oblique orange bars at front, a row of dark brown spots along its base, soft dorsal with pale grey rays, red membranes; mating male with body, pelvics and dorsal fin blackish grey, pale bars on body evident and rays of dorsal fin pale; head dark above, remainder as in non-mating fish. Female: pale tan, back sometimes with 7-8 dark cross-bars and mid-side with ~ 8 irregular dark blotches; body and head with many dark dots and wiggly lines that may enclose diamond-shaped pale areas; mouth and chin with 4-5 thin dark bars; dorsal fin pale at front & rear, rays with rows of dark dots, a dark spot between spines IV&V; tail fin pale, with spots on rays forming bars; anal fin dark, base with alternating dark and light spots.

Reaches 8.4 cm

Lives on sand and rubble bottoms

Depth range 5-12 m.

Sechura Bay to Independence Bay, Peru.

High Resolution Map Download

Species Data Create Report Export as Word File Export as Excel File
  • Marine Only
  • Marine
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
  • Bottom only
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Sand & gravel
  • Reef associated (reef + edges-water column & soft bottom)
  • Reef and soft bottom
  • Reef (rock/coral/oyster)
  • Rocks
FishBase Habitat
  • Demersal
Feeding Group
  • Planktivore
  • No Data
  • Carnivore
  • Data
  • Zooplankton
Egg Type
  • Benthic
  • Pelagic larva
  • No data
Global Endemism
  • TEP non-endemic
  • All species
  • East Pacific endemic
Regional Endemism
  • Peruvian province, primarily
  • Temperate Eastern Pacific, primarily
  • Continent only
  • Continent
  • Tropical Eastern Pacific (TEP) non-endemic
  • All species
  • Vagrant
Climate Zone
  • South Temperate (Peruvian Province )
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Depth Range Max
  • 12
Depth Range Min
  • 5
Length Max
  • 8.4