Species: Dasyatis longus, Longtail stingray
thorns blunt, 1 row on back
tail = 2x disc
upper & lower tail folds low and long
Dasyatis longus (Garman, 1880)
Longtail stingray
Disc oval, broader than long; front-side margins of disc nearly straight; snout bluntly angular, but not protruding; tail very long and slender, more than twice length of disc; tail fin absent, but low fin folds above and below tail, that below is lower and longer; a central row of blunt thorns extending from head to shoulder girdle, two additional thorns much farther back and 1-2 thorns on each shoulder, skin otherwise smooth.
Generally dark brown to nearly blackish without distinctive marks.
Size: attains a TL of at least 257 cm (disc width 117 cm).
Inhabits sand-mud bottoms, common in estuaries.
Depth: to at least 100 m.
The Gulf of California to northern Peru.
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Species Data
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- Salinity
-
- Brackish
- Marine
- Inshore/Offshore
-
- Inshore Only
- Inshore
- Water Column Position
-
- Bottom
- Bottom only
- Habitat
-
- Sand & gravel
- Mud
- Reef associated (reef + edges-water column & soft bottom)
- Soft bottom only
- Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
- FishBase Habitat
-
- Reef Associated
- Feeding Group
-
- Carnivore
- No Data
- Diet
-
- Mobile benthic worms
- No Data
- Mobile benthic gastropods/bivalves
- Mobile benthic crustacea (shrimps/crabs)
- Bony fishes
- Egg Type
-
- No pelagic larva
- No pelagic phase
- No data
- Live birth
- Global Endemism
-
- Tropical Eastern Pacific (TEP) endemic
- All species
- East Pacific endemic
- Regional Endemism
-
- All species
- TEP endemic
- Continent
- Island (s)
- Continent + Island (s)
- Residency
-
- Resident
- Climate Zone
-
- Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
- Northern Subtropical (Cortez Province + Sinaloan Gap)
- Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
- North Temperate (Californian Province &/or Northern Gulf of California)
- IUCN Red List
-
- Not evaluated / Listed
- CITES
-
- Not listed
- Length Max
-
- 257
- Depth Range Min
-
- 0
- Depth Range Max
-
- 100
