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The '''striped blenny''' (''Meiacanthus grammistes''), also called the '''striped fang blenny''', '''grammistes blenny''', '''line-spot harptail blenny''' or '''striped poison-fang blenny''', is a ] of ] from the western ]. The fish stays in the open ], but travels into shallow ] and brackish estuaries. This ] species occasionally makes its way into the aquarium trade. | ||
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| ==References== | ==References== | ||
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Revision as of 17:04, 7 June 2018
| Meiacanthus grammistes | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Blenniiformes |
| Family: | Blenniidae |
| Genus: | Meiacanthus |
| Species: | M. grammistes |
| Binomial name | |
| Meiacanthus grammistes (Valenciennes, 1836) | |
The striped blenny (Meiacanthus grammistes), also called the striped fang blenny, grammistes blenny, line-spot harptail blenny or striped poison-fang blenny, is a species of combtooth blenny from the western Pacific Ocean. The fish stays in the open ocean, but travels into shallow saltwater and brackish estuaries. This venomous species occasionally makes its way into the aquarium trade.
Anatomy
The fish is stout and deep-bodied, with a pointed snout and long continuous dorsal fin. It is brown with tan wavy bands stretching the length of its body. On the dorsal fin near the head is a small blue spot. This species grows to 11 cm (4.3 in) TL. The fish has relatively large fangs (canine teeth) that protrude from the lower jaw.
Venom
The unusual venom, which targets the body's opioid receptors, is being investigated as a potential new painkiller for human use. The venom consists of a neuropeptide also seen in cone snail venom, a lipase similar to the one used by certain species of scorpions and an opioid peptide. Blennies use it to stun predators. The venom reduces the blood pressure of the predator, relaxing its jaws so the blenny can escape. Administration of the venom was found to not cause pain in mice, which is atypical, as most fish venoms are painful. Administration of the venom also did not result in a drop in heart rate in rats.
References
- Froese, Rainer; Pauly, Daniel (eds.). "Meiacanthus grammistes". FishBase. February 2013 version.
- ^ Micu, Alexandru (2017-04-03). "Fanged blenny 'heroin'-like venom could be the next super-painkiller". ZME Science. Retrieved 2017-04-04.
{{cite news}}: Cite has empty unknown parameter:|dead-url=(help) - Bridie Smith (31 March 2017). "Meet the fang blenny: the 'heroin'-injecting fish offering high hopes for new painkillers". The Sydney Morning Herald.
- Casewell, N.; Visser, J.; Baumann, K. (2017). "The Evolution of Fangs, Venom, and Mimicry Systems in Blenny Fishes". Current Biology. doi:10.1016/j.cub.2017.02.067. Retrieved 2017-04-07.
External links
| Taxon identifiers | |
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| Meiacanthus grammistes | |
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