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Species: Larimus argenteus, Silver drum

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ridge on head spongy
mouth ~ vertical, ends before eye
23-26 gill rakers
chin 2 pores

Larimus argenteus (Gill, 1863)

Silver drum

Body short, oblong, compressed; back humped; head short, compressed; snout short; bony ridge on top of head spongy to touch; eye moderate, 3.9-5.0 in head length; mouth very strongly oblique (almost vertical), ends before front of eye, lower jaw projecting; 2 minute pores on tip of chin, no barbel; teeth small and sharp, in 1 row; gill rakers 23-26, long and slender; preopercular margin smooth; dorsal fin deeply notched X + I, 27-29; anal fin II, 6, 2nd  spine strong, slightly shorter than first soft ray; pectoral and pelvic fin tips reaching to level of anus; tail  with angular point; scales rough on body, smooth on head and fins; soft dorsal and anal fins with scaly sheath on basal half; pored lateral-line scales 46-55.

Silvery, greyish blue on upper back;sometimes with faint dark stripes on sides; axil of pectoral fin dark; fins clear to slightly yellowish.

Size: to 35 cm.

Inhabits coastal waters, common in estuaries.

Depth: 1-50 m.

Southern Baja and the SE Gulf of California to northern Peru.


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Salinity
  • Marine
  • Brackish
Inshore/Offshore
  • Inshore Only
  • Inshore
Water Column Position
  • Water column only
  • Near Bottom
  • Mid Water
Habitat
  • Estuary
  • Water column
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
FishBase Habitat
  • Pelagic
Feeding Group
  • Data
  • Planktivore
Diet
  • Data
  • Zooplankton
  • Pelagic crustacea
  • Pelagic fish larvae
  • Bony fishes
Egg Type
  • Pelagic larva
  • No data
  • Pelagic
Global Endemism
  • All species
  • East Pacific endemic
  • Tropical Eastern Pacific (TEP) endemic
Regional Endemism
  • Continent only
  • TEP endemic
  • Continental TEP endemic
  • Continent
  • 3 provinces (Cortez + Mexican + Panamic) endemic
  • All species
Residency
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
IUCN Red List
  • Listed
  • Least concern
CITES
  • Not listed
Length Max
  • 35
Depth Range Min
  • 1
Depth Range Max
  • 50