Three-Spined Stickleback (Gasterosteus aculeatus aculeatus)
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Gasterosteus aculeatus aculeatus
76 Litres (20 US G.)
5-8 cm (2-3.1")
6.0 - 9.0
4 -20 °C (39.2-68°F)
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- Three-Spined Stickleback
Additional scientific names
- Gasterosteus aculeatus, Gasteracanthus cataphractus, Gasterosteus aculeatus messinicus
Sexing[edit | edit source]
- The belly of sexually mature males will turn orange.
Environment specifics[edit | edit source]
- May exist in freshwater, but more commonly prefer brackish water. This fish enjoys vegetation.
Identification[edit | edit source]
- Commonly 4-5cm (1.6-2"). This fish has 1 spine on each pelvic fin in addition to its 3-4 dorsal spines. There are 28 (or more) bony plates on each side of the fish. The caudal peduncle is narrow with a short, lateral keel.
Pictures[edit | edit source]
[edit | edit source]
- Fishbase (Mirrors: )