Shorefishes of the Greater Caribbean online information system

Español  Contact

Species: Malthopsis gnoma, Gnome Seabat Batfish, Grotesque seabat

All Families:   All Genera:   All Species:

disk triangular
rostrum short, slender, upturned
subopercular spine large, thick, curves back
pectoral separated from tail
under body scaled
under tail: 2 rows cones + dense prickles

Malthopsis gnoma Bradbury, 1998

Grotesque seabat

 Head depressed, but elevated above disk; disc triangular; tail long; mouth small; cavity on snout for lure is small; lure a single central bulb without lobes, with a small, distinctly upturned, conical rostrum overhanging it; no cover over pupils; buckler at angle of operculum with a large, thick, back-pointing spine at end; gill rakers in form of tiny pads of teeth set on small stalks; gill openings small, behind upper base of pectoral fin; dorsal and anal fins small, at rear of body; base of pectoral fins arm-like, well separated from body; pelvic fins not reduced in size; bony buckers and spines present; underside of body completely covered with scales; underside of tail densely covered with small prickles, plus 2 rows of large cone-like scales.

 A faint reticulum of thin dark lines on body and tail; dorsal fin with a dark stripe through its middle.

 Reaches 7.3 cm.

 On sand and mud bottoms.

 Depth range: 91-491 m.

 The Bahamas to Panama.

High Resolution Map Download

Species Data Create Report Export as Word File Export as Excel File
  • Marine
  • Marine Only
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
  • Mud
  • Soft bottom only
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Sand & gravel
FishBase Habitat
  • Demersal
Feeding Group
  • Data
  • Carnivore
  • Data
  • Mobile benthic worms
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic gastropods/bivalves
Egg Type
  • Data
  • Pelagic
  • Pelagic larva
Global Endemism
  • West Atlantic Endemic
  • All species.
  • Greater Caribbean endemic
Regional Endemism
  • GC endemic
  • All species..
  • Continent + Island (s)
  • Island (s)
  • Continent
  • Resident
Climate Zone
  • Tropical (10-23N, Nicaragua / Cuba)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Equatorial (0-10N, Costa Rica / Venezuela)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 7.3
Depth Range Min
  • 91
Depth Range Max
  • 491