Introduced Marine Aquatic Invaders - a field guideJoin the Anti-Pest ProgramMarine pests what are theyHow pests get here What damage they do What we are doing What I can do? Northern Pacific Seastar Green CrabPacific OysterAeolid NudibranchNew Zealand Screw ShellAsian MusselBlack Striped Mussel Chinese ClamEuropean Fan WormJapanese Goby Japanese Seaweed Bryozoan
Introduced Marine Aquatic Invaders - a field guide
Introducted Marine Species - Japanese Goby
Tridentiger trigonocephalus
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| Japanese Goby- Tridentiger trigonocephalus Photo: Ann Storrie/Naturescapes |
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| Japanese Goby- Tridentiger trigonocephalus Photo:Rudie Kuiter |
Australia Invasion
- New South Wales, Victoria, Western Australia
- discovered in Western Australia in 1977, in Cockburn Sound and the Swan River
Habitat
- shallow water on or near the bottom, under rocks, in burrows or crevices
- hard sandy mud or clean sandy seagrass areas
ID Features
- up to 12 cm in length
- white speckles on head
- grey brown in colour with two characteristic black stripes, one stripe from behind eye to caudal (tail) fin, second stripe from snout through eye along upper portion of pectoral fin to caudal fin
- can mask characteristic black stripes by changing colour to a motley grey-brown colour
- dorsal fin often has brown horizontal stripes and white spots
- anal fin with grey to orange stripe along middle of fin
More information
More detailed information on this Marine Invader is available here.
...More Information on this Invader
Similar Native Marine Species
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| Long finned Goby - Flavonigobius lateralis Photo: Barry Hutchins/WA Museum |
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| Long finned Goby - Flavonigobius lateralis Photo: Barry Hutchins/WA Museum |
Long finned Goby - Flavonigobius lateralis
- lives on sandy bottoms of coastal embayments and estuaries
- up to 9 cm in length
- distinctive white bars along lower half of body*
- long anal fin
* distinguishing feature
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