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Species: Lythrypnus crocodilus, Mahogany goby

All Families:   All Genera:   All Species:

2 bars/rows spots under eye
D1 no elongate spines
pale bars: dark centerline
pale bars: =/> dark bars, with dark centerline
Ds, A & C; red
all pectoral base dark, color onto body

Lythrypnus crocodilus (Beebe & Tee-Van, 1928)

Mahogany goby

Body relatively deep, compressed; head compressed, profile round; head without pores; papillae around mouth, on cheeks and operculum and over eye; front nostril a long tube, rear nostril a raised rim; mouth very oblique; tongue round to blunt; gill opening narrow, ~pectoral base; 5-7 gill rakers; gill membranes with 5 rays; dorsal fin VI (none elongate) + I, 9 (8-9); length of 2nd dorsal base > distance from 2nd dorsal base to tail fin; anal fin I, 8; pectoral fin 15 (15-16), rays unbranched; pelvics fused into disc; tail fin short, round, with 17 segmented rays; scales rough, body scaled except chest and pectoral base, 24 (22-25) lateral rows, none on head and nape; no lateral line.

Body white, with dark brown or black bars (without a pale centerline), pale interspaces with dark center line, equal to or wider than dark bars; 2 bars or rows of spots under eye; spots on head and pectoral fin base same color as dark bars; first and second dorsal and anal fins dark orange-red with scattered black spots; tail fin salmon pink; a dark spot covering entire pectoral fin base and extending forwards onto body, pectoral fin clear with slight tinge of pink on bottom portion of upper rays; pelvic fin clear.

Reaches 1.5 cm.

Depth range: 1.2-23 m.

Taken from well developed coral, spur and groove habitats, in shallow open areas with surge.

Tthe Bahamas to the S Caribbean.


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Salinity
  • Marine
  • Marine Only
Inshore/Offshore
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
Habitat
  • Reef only
  • Rocks
  • Corals
  • Reef associated (reef + edges-water column & soft bottom)
  • Reef (rock/coral/oyster)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Carnivore
  • No Data
Diet
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic gastropods/bivalves
  • Mobile benthic worms
Egg Type
  • Benthic
  • Pelagic larva
  • No data
Global Endemism
  • Greater Caribbean endemic
  • West Atlantic Endemic
Regional Endemism
  • Continent + Island (s)
  • GC endemic
  • Continent
  • Island (s)
Residency
  • Resident
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Not evaluated / Listed
CITES
  • Not listed
Length Max
  • 1.5
Depth Range Min
  • 1
Depth Range Max
  • 23