Tonicella lineata
| Lined chiton | |
|---|---|
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Polyplacophora |
| Order: | Neoloricata |
| Family: | Ischnochitonidae |
| Genus: | Tonicella |
| Species: | T. lineata |
| Binomial name | |
| Tonicella lineata Wood, 1815 |
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| Synonyms | |
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Tonicella blaneyi Dall, 1905 |
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Tonicella lineata, frequently accepted as the lined chiton, is a breed of chiton.
Contents |
Size and description
T. lineata is a actual ablaze chiton, accepting blue, amethyst or atramentous beeline or zig-zag curve on anniversary of the eight valves. The accomplishments blush of the valves is generally amber or red, but can aswell be ablaze dejected or chicken to orange. The girdle is baldheaded and amber to red or pink, generally with approved chicken or white patches. This breed grows to 5 cm in length.
Similar species
Tonicella lokii is acutely agnate but has beaming bands on the girdle. Tonicella undocaerulea is actual agnate but lacks a aphotic bound to the concentric dejected curve on the antecedent plate. Mopalia spectabilis looks apparently agnate due to its ablaze dejected bouncing curve on the valves, but has a bearded girdle.1 It can aswell be abashed with Tonicella insignis (Reeve, 1847) which retains the zig-zag arrangement in concentric rings on the aboriginal and eighth valves and aswell the curve are a lot of generally white.2
Distribution and habitat
The accustomed ambit of T. lineata stretches from the Aluetian Islands of Alaska to San Miguel Island of California, as able-bodied as the Sea of Okhotsk of Russia and arctic Japan. This breed has aswell been begin in Puget Sound, Washington on floats3. It has been recorded from intertidal and subtidal amnion to a abyss of 30 m to 90 m (100 - 300 feet).42
Biology
T. lineata generally occurs on rocks that are encrusted by coralline algae; apparently this is what their blush is advised to appearance against. If agape from its substrate, T. lineata will arrangement into a brawl in adjustment to assure it's accessible belly side, agnate to abounding isopods. Coralline algae are aswell the above aliment account of T. lineata. On the Oregon bank this breed can be begin active beneath amethyst urchins (Strongylocentrotus purpuratus). This breed is predated on by the sea stars Pisaster ochraceus and Leptasterias haxactis.5 Animals out of baptize alone accept about 73% the respiration of abysmal animals, and acceptable acquire an oxygen debt while out of baptize that have to be repaid already resubmerged.6 When submerged, gas barter occurs by baptize abounding from the antecedent allocation of the chiton into the crimson atrium area the ctenidia (gills) abide in the pallial grooves. This aswell takes affliction of decay produced as the baptize passes over the anus afterwards the ctenidia and carries abroad feces7
References
- ^ Baldwin, A. (2007). Illustrated Keys to the chitons (Polyplacophora). Accessed from: http://www.wallawalla.edu/academics/departments/biology/rosario/inverts/Mollusca/Polyplacophora/Baldwin_Polyplacophora_Key_Sept_2007.pdf
- ^ a b Lamb, Andy & Handy, Bernard P. Marine Life of the Pacific Northwest Harbour Publishing 2005
- ^ Kozloff, Eugene N. Seashore Life of the Arctic Pacific Bank University of Washington Press, Seattle and London 1973
- ^ name=morris80>Morris, Robert H., Donald P. Abbot, and Eugene C. Haderlie (1980). Intertidal Invertebrates of California. Stanford University Press, Stanford, CA. 690 pp.
- ^ Kozloff, Eugene (1993). Seashore Life of the Arctic Pacific Coast. University of Washington Press, Seattle, WA. 370 pp.
- ^ Morris, Robert H., Donald P. Abbot, and Eugene C. Haderlie (1980). Intertidal Invertebrates of California. Stanford University Press, Stanford, CA. 690 pp.
- ^ Brusca, Richard C. & Brusca, Gary J. Invertebrates Sinauer Associates, Inc., Publishers Sunderland, Massachusetts 2003