Species: Ptereleotris randalli, Blue-stripe dartfish, Bluestripe dartfish
Ptereleotris randalli Gasparini, Rocha & Floeter, 2001
Blue-stripe dartfish
Body very elongate, compressed; head strongly compressed, with low fleshy ridge on top; mouth strongly oblique, opens above; lower jaw protruding, chin with longitudinal fold; upper jaw with 2 rows of teeth, inner row small and with 2 canines, outer with larger canine like teeth; lower jaw, 2 rows at front, canines present, sides with a single row; dorsal fin VI + I, 24 (23-25); anal fin I, 23 (22-24); pectoral fin 21 (20-22); pelvic fins I,4, nearly separate, no anterior membrane connecting them; tail 15 segmented rays, fin long, asymmetrically shaped - pointed on top & rounded on bottom; scales very small, embedded, smooth at front, rough near tail; head scaleless; no lateral line.
Body lavender grey to pale blue; a blue line along fleshy ridge on head to 1st dorsal; blue stripe from center of eye to end of opercle; dorsal fins with bright blue margin, orange to yellow submarginal stripe inside that; juvenile with bright yellow dorsal and anal fins, blue spots on rear of dorsal, bright yellow and brown area in center of tail.
Reaches: 12.5 cm.
Habitat: Found over sandy bottoms close to reefs.
Depth: 8-65 m.
The SE Caribbean to Brazil.
High Resolution Map Download
- Salinity
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- Marine
- Marine Only
- Inshore/Offshore
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- Inshore Only
- Inshore
- Water Column Position
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- Bottom
- Habitat
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- Sand & gravel
- Reef associated (reef + edges-water column & soft bottom)
- Reef (rock/coral/oyster)
- Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
- Soft bottom only
- FishBase Habitat
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- Reef Associated
- Demersal
- Feeding Group
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- Planktivore
- Data
- Diet
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- Data
- Zooplankton
- Egg Type
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- Data
- Benthic
- Pelagic larva
- Global Endemism
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- All species.
- West Atlantic Endemic
- Greater Caribbean non-endemic
- Regional Endemism
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- Continent + Island (s)
- All species..
- Continent
- Extends South of GC
- Island (s)
- GC non-endemic
- Also in Brazil
- Residency
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- Resident
- Climate Zone
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- Equatorial (0-10N, Costa Rica / Venezuela)
- IUCN Red List
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- Least concern
- Listed
- CITES
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- Not listed
- Length Max
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- 12.5
- Depth Range Min
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- 8
- Depth Range Max
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- 65
