The Hulk of the ocean -Sarcastic fringehead
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The Hulk of the ocean -Sarcastic fringehead

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Description

The Sarcastic fringehead, Neoclinus blanchardi, is a ferocious fish which has a large mouth and aggressive territorial behaviour from which it has been given its common name.
Sarcastic fringehead are distinctive fish, with huge jaws, tufts of tissue on their heads (hence their name), and metallic blue, yellow-fringed spots on their dorsal fins.
The body of sarcastic fringeheads is elongate, slender, and moderately compressed. Their long dorsal fin extends from the rear of the head almost to the rounded caudal fin.

Sarcastic fringehead

 

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They can be up to 30 centimetres (12 in) long, elongate and slender and are mostly scaleless with great pectoral fins and reduced pelvic fins.

When two fringeheads have a territorial battle, they wrestle by pressing their distended mouths against each other, as if they were kissing.
This allows them to determine which is the larger fish, which establishes dominance.

Reproduction
Spawning usually occurs from January to August. A female deposits about 3,000 eggs in clam burrows or under rocks. The eggs, which are guarded by the male, are 0.9-1.5 mm (0.035-0.06 in) in diameter.
Each egg has filaments that are used to attach the egg both to the nest itself and also to other eggs. On hatching larvae are about 3.0 mm (0.12 in) long.



Habitat
They are found from San Francisco Bay south to Baja, Mexico and their depth range is from 3 to 73 metres (9.8 to 240 ft) eating fish and other small denizens of the sea floor.
No more than nine inches long that likes to live in cracks in the rocks, holes in the hard bottom, empty shells, and even beer bottles
They live in various kinds of shelters, such as empty clam or snail shells, abandoned burrows, and cracks in clay or rock outcroppings. They also find human trash such as cans and bottles satisfactory as a home worth protecting.
Whatever the shelter used, a sarcastic fringehead claims it as its home territory, fiercely defending it against intruders.






Interesting Facts

This "Hulk" of the ocean  has an aggressive territorial behaviour from which it has been given its common name.
They are aggressive and fearless, and will charge anything, including scuba divers that approach their lairs. 

Sarcastic fringehead

 

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The can populate the ocean bottom in Redondo Canyon in southern California were they can find easily discarded bottles, jars, cans, and similar containers were to stay.
Divers have observed that many of these littering items house a sarcastic fringehead.







Sources

http://io9.com/5911216/meet-the-sarcastic-fringehead-an-oddly-named-fish-who-looks-like-the-predator
http://www.aquariumofpacific.org/onlinelearningcenter/species/sarcastic_fringehead
http://www.fishbase.org/summary/Neoclinus-blanchardi.html
http://www.realmonstrosities.com/2012/05/sarcastic-fringehead.html
http://animaldiversity.ummz.umich.edu/site/accounts/information/Neoclinus_blanchardi.html
http://www.youtube.com/watch?v=BjexNXJYblQ
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