Shorefishes of the Eastern Pacific online information system

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Species: Alphestes multiguttatus, Many-spotted hamlet, Pacific guaseta, Rivulated mutton-hamlet

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snout short, forehead straight
dense brown spots, forming stripes at rear
pectoral: 5-6 dark bars

Alphestes multiguttatus (Günther, 1867)

Rivulated Mutton Hamlet, Many Spotted Hamlet, Pacific Guaseta

Body deep, strongly compressed; large eyes; snout short; forhead with straight profile; preopercle serrated, with large forward-curving spine at lower front corner; 3-5 rows of small teeth on each jaw, a pair of small canines at front of both jaws, most of teeth movable; 20-23 gill rakers; dorsal with XI spines, 18-20 rays, with little or no notch between spiny and soft parts; anal fin III, 9; pectoral 17-19; tail rounded; flank scales smooth.

Generally brown with dense covering of dark brown spots, coalesced to form stripes on rear of body; pectoral fins yellowish with 5-6 dark brown bars.

Size: grows to 30 cm.

Inhabits tidepools, rocky reefs, and adjacent sand patches.

Depth: 1-30 m.

Southern Baja and NE Gulf of California to Peru, the Galapagos and Cocos.


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Salinity
  • Brackish
  • Marine
  • Freshwater
Inshore/Offshore
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom only
  • Bottom
Habitat
  • Reef associated (reef + edges-water column & soft bottom)
  • Reef and soft bottom
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Freshwater
  • Estuary
  • Reef (rock/coral/oyster)
  • Rocks
FishBase Habitat
  • Demersal
Feeding Group
  • Data
  • Carnivore
Diet
  • Data
  • Mobile benthic crustacea (shrimps/crabs)
  • Bony fishes
Egg Type
  • No data
  • Pelagic
  • Pelagic larva
Global Endemism
  • All species
  • Tropical Eastern Pacific (TEP) endemic
  • East Pacific endemic
Regional Endemism
  • Continent + Island (s)
  • All species
  • TEP endemic
  • Continent
  • Island (s)
Residency
  • Resident
Climate Zone
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • North Temperate (Californian Province &/or Northern Gulf of California)
IUCN Red List
  • Least concern
  • Listed
CITES
  • Not listed
Length Max
  • 30
Depth Range Min
  • 1
Depth Range Max
  • 30