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Species: Myxodagnus walkeri, Walker's stargazer

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head conical; snout > eye
no bar under eye
back: no saddles
LL continuous, 51
lip flaps: ~11 top; 15 bottom
D IX; A 36; pectoral 14
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This Species (2) This Genus (4) Similar Species (2)

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Myxodagnus walkeri Dawson, 1976

 
 

Walker's stargazer

 

Body long and slender, tapering to tail; head a pointed cone; snout longer than eye diameter; lower jaw strongly projecting; eyes not on stalks; top and bottom lips with skin flaps, 11 (9-12) top flaps; 15 (13-19) bottom flaps; tubular nostrils; operculum with 7 (6-9) skin flaps; dorsal fin continuous, origin well behind nape over or just behind anal fin origin, IX (VIII-X), 29 (28-31); anal II, 36 (35-38); pectoral 13-14 (14); lateral line continuous, bends down under dorsal spines III-VI; scales smooth, head and belly scaleless; lateral line scales 51 (49-52).

Preserved fish: top of head speckled with small brown dots, without a bar under eye; lower jaw without prominent blotches; nape with a dark central blotch (preceded by a dark spot) with narrow dark lines running from that to upper corner of operculum; body pale, back scales with dark edges, especially before dorsal fin; an indistinct dark stripe along straight part of lateral line; a dark blotch on base of tail fin; bases of rays of dorsal and anal fins with a dark spot; fins pale.

Size: 6.1 cm.

Habitat: coastal sandy areas.

Depth: 0-6.1 m.

The southeastern Gulf of California to Costa Rica.

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Species Data Create Report Export as Word File Export as Excel File
Salinity
  • Marine Only
  • Marine
Inshore/Offshore
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom only
  • Bottom
Habitat
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Soft bottom only
  • Sand & gravel
FishBase Habitat
  • Demersal
Feeding Group
  • No Data
  • Carnivore
Diet
  • No Data
  • Mobile benthic crustacea (shrimps/crabs)
  • Bony fishes
  • Mobile benthic worms
Egg Type
  • No data
  • Benthic
  • Pelagic larva
Global Endemism
  • Tropical Eastern Pacific (TEP) endemic
  • All species
  • East Pacific endemic
Regional Endemism
  • Continental TEP endemic
  • Continent only
  • Continent
  • TEP endemic
  • Mexican + Panamic provinces endemic
Residency
  • Resident
Climate Zone
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Least concern
  • Listed
CITES
  • Not listed
Length Max
  • 6.1
Depth Range Min
  • 0
Depth Range Max
  • 6