Species: Bollmannia marginalis, Apostrophe goby, Margin-spot goby
flank: 5-6 double dark bars
Bollmannia marginalis Ginsburg, 1939
Apostrophe goby, Margin-spot goby
Head & body compressed; body relatively slender (greatest depth 17-22.5% of SL); head rounded, elongate (25-33% of SL); eye large, 7-9% of SL; mouth large, very oblique; teeth in several rows; dorsal fin VII (spines very elongate, filamentous, often reaching tail fin base, 1st & 2nd spines longest in female, 5th longest in male) + I, 13-15; anal I, 13-15; last rays of dorsal & anal reach base of tail fin; pectoral rays 23-25, reaches beyond origin of anal fin; pelvics fused to form disc, front margin of disc scalloped, reaches anus; tail base slender (least depth 8-10.5% of SL); tail fin long (~ 30% of SL), strongly pointed; scales large (25-28 rows along body), rough; 7-9 scales before dorsal fin; no scales on lower cheek, upper third of opercle covered with large scales; 1 large + 4-5 small scales on base of pectoral fin.
Body brownish, with orange spots; orange lines on head; a median row of 5-6 short double dark bars from behind head to tail fin base; 1st dorsal with a black spot at the center rear; 2nd dorsal with 2 rows of orange spots, separated by an orange stripe; no black band on upper lip; anal fin dusky, with orange spots; tail fin with orange spots, a black spot at its base; pelvic dark.
Size: 5.7 cm.
Habitat: benthic on soft bottoms.
Depth: 15-80 m.
Southern Gulf of California to Ecuador.
High Resolution Map Download
- Salinity
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- Marine
- Marine Only
- Inshore/Offshore
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- Inshore
- Inshore Only
- Water Column Position
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- Bottom only
- Bottom
- Habitat
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- Mud
- Soft bottom only
- Sand & gravel
- Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
- FishBase Habitat
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- Demersal
- Feeding Group
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- Planktivore
- Carnivore
- No Data
- Diet
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- Mobile benthic crustacea (shrimps/crabs)
- Mobile benthic worms
- No Data
- Egg Type
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- Pelagic larva
- Benthic
- No data
- Global Endemism
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- Tropical Eastern Pacific (TEP) endemic
- East Pacific endemic
- All species
- Regional Endemism
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- Continent only
- 3 provinces (Cortez + Mexican + Panamic) endemic
- All species
- Continent
- Continental TEP endemic
- TEP endemic
- Residency
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- Resident
- Climate Zone
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- 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
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- Data deficient
- Listed
- CITES
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- Not listed
- Depth Range Min
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- 15
- Depth Range Max
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- 80
- Length Max
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- 5.7
