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Species: Prionotus albirostris, White-snout searobin

All Families:   All Genera:   All Species:

mouth short
lips - pale blotches
D1: 1st spine serrated, dark central spots
C dark + pale center bar
preopercular crest serrated
pectoral long, dark + dark spots, blackish edge

Prionotus albirostris Jordan & Bollman, 1890

White-snout searobin

A large, squarish, bony head that has many ridges and spines; wide between eyes; no transverse groove across top of head behind eyes; bony ridge under eye serrated at rear; mouth short, rear margin of jaw not reaching level of front of eye; teeth on jaws and roof of mouth simple; ~ 5-6 well developed lower gill rakers; two separate dorsal fins, X (first spine with serrated front edge) + 12; pectoral fins long, reaching below last few dorsal rays, 13-14 rays, with 2-3 enlarged, free rays at bottom of fin;  body with rough scales; rear flap of operculum with scales; nape scaled; lateral-line scales 50-55.
Head and upper body grey brown to red-brown with darker mottling, white on underside; two pale blotches on lips at side; dorsal fins blackish-brown to red-brown with brown mottling or spotting, outer part of center of 1st dorsal with irregular dark spots; tail fin blackish to red-brown, with a pale to white central bar, and a pale outer margin; pectoral fins grey-brown, with dark red brown and blackish spots, spots larger on outer part of fin, forming an irregular broad, blackish edge.
Size: attains about 29.5 cm.
Inhabits sand-mud trawling grounds.
Depth: 20-100 m.
Southern Baja and the Gulf of California to Peru, and Malpelo.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
  • Mud
  • Soft bottom only
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Carnivore
  • Data
  • Mobile benthic crustacea (shrimps/crabs)
  • Zooplankton
  • Data
  • Bony fishes
Egg Type
  • Pelagic larva
  • No data
  • Pelagic
Global Endemism
  • Tropical Eastern Pacific (TEP) endemic
  • All species
  • East Pacific endemic
Regional Endemism
  • Continent + Island (s)
  • All species
  • TEP endemic
  • Island (s)
  • Continent
  • Resident
Climate Zone
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • North Temperate (Californian Province &/or Northern Gulf of California)
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • South Temperate (Peruvian Province )
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 29.5
Depth Range Min
  • 20
Depth Range Max
  • 100