Shorefishes of the Eastern Pacific online information system

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Species: Porichthys greenei, Greene's midshipman, Grumpy midshipman, Shorthead midshipman

All Families:   All Genera:   All Species:

small eye
back: 4-6 saddles
fins clear
D & A: joined to C
lower gill rakers: 7-8
lower LL ends ~ 12 pores behind its line of light organs
A 33-37; C 10

Porichthys greenei Gilbert & Starks, 1904

Shorthead midshipman, Greene's midshipman, Grumpy midshipman

Body compressed, elongate; head a little flattened above, no tentacles;  eye small; one solid spine on opercle; no subopercular spines; teeth like canines; 7 (7-8) lower gill rakers;  first dorsal fin 2 solid spines, separate from second dorsal fin; second dorsal 35-39 rays; anal rays 35 (33-37); dorsal and anal fins broadly joined to tail; pectoral round, 14-17 rays; 10 tail rays; no scales; 4 lateral lines on body with light organs; lower lateral line ends ~ 12 pores BEHIND same line of light organs.

5 (4-6) dark saddles on back; dorsal, anal and tail fins clear, no dark borders or spots.

Size: 8.5 cm.

Habitat: sandy and muddy bottoms.

Depth: 5-30 m.

Southern Mexico to Colombia.

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  • Freshwater
  • Non Marine
  • Brackish
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
  • Bottom only
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Freshwater
  • Soft bottom only
  • Sand & gravel
  • Mud
  • Estuary
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • No Data
  • No Data
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic gastropods/bivalves
Egg Type
  • No data
  • Benthic
  • No pelagic larva
  • No pelagic phase
Global Endemism
  • All species
  • Tropical Eastern Pacific (TEP) endemic
  • East Pacific endemic
Regional Endemism
  • Mexican + Panamic provinces endemic
  • Continent only
  • All species
  • Continent
  • TEP endemic
  • Continental TEP endemic
  • Resident
Climate Zone
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 8.5
Depth Range Min
  • 5
Depth Range Max
  • 30