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Species: Menidia peninsulae, Tidewater silverside

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D origin over/behind rear 1/4 pelvic, rear spines
distance D1 to A 7-18 % SL
A 13-19
lateral scales 34-43

Menidia peninsulae (Goode & Bean, 1879)

Tidewater silverside

Body elongate, compressed; eye large; snout shorter than eye, without pits, pores or tubes on top; top jaw extendible, premaxilla with rear end greatly expanded, without expanded bony process above its center; teeth well developed, in bands; first dorsal IV-VI, origin over or behind rear ¼ of pelvic fin, bases of rear spines behind tip of pelvic fin; two dorsal fins well spaced; horizontal distance between 1st dorsal and anal >7% of SL; anal fin I, 13-19, edge of fin straight; pelvics inserted nearer pectoral base than anal origin; scales without scalloped edges; lateral scales 34-43.

Bright yellow to olive above lateral stripe; top of head yellow-green; lateral stripe prominent, lined with black along top edge; belly yellowish.

Reaches 18.3 cm.

Lives in quiet coastal waters, estuaries, ponds; in brackish to salt water.

Depth range: 0-5 m.

NE Florida to the Gulf of Mexico.


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Salinity
  • Brackish
  • Marine
Inshore/Offshore
  • Inshore Only
  • Inshore
Water Column Position
  • Near Bottom
  • Surface
  • Near Surface
  • Mid Water
  • Water column only
Habitat
  • Estuary
  • Water column
  • Beach
FishBase Habitat
  • Pelagic
Feeding Group
  • Carnivore
  • Planktivore
  • No Data
Diet
  • Mobile benthic gastropods/bivalves
  • Mobile benthic crustacea (shrimps/crabs)
  • Zooplankton
Egg Type
  • Benthic
  • Pelagic larva
  • No data
Global Endemism
  • West Atlantic Endemic
  • Greater Caribbean endemic
Regional Endemism
  • Continent
  • GC endemic
  • Continent only
Residency
  • Resident
Climate Zone
  • Tropical (10-23N, Nicaragua / Cuba)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
IUCN Red List
  • Listed
  • Least concern
CITES
  • Not listed
Length Max
  • 18.3
Depth Range Min
  • 0
Depth Range Max
  • 5