HALIOTIS ASININA PDF

Like all other abalone, Haliotis asinina is a member of a large molluscan class, the Gastropoda which are characterized by having single-piece shells. They have a soft body surrounded by a mantle, an anterior hea They have a soft body surrounded by a mantle, an anterior head and a large muscular foot. They belong to the family Haliotidae and the genus Haliotis , which means sea ear, this referring to the flattened, and sometimes ear-shaped, form of the shell. Abalone shells are rounded or oval and generally have a dome towards one end although, in the case of H.

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Like all other abalone, Haliotis asinina is a member of a large molluscan class, the Gastropoda which are characterized by having single-piece shells. They have a soft body surrounded by a mantle, an anterior hea They have a soft body surrounded by a mantle, an anterior head and a large muscular foot. They belong to the family Haliotidae and the genus Haliotis , which means sea ear, this referring to the flattened, and sometimes ear-shaped, form of the shell. Abalone shells are rounded or oval and generally have a dome towards one end although, in the case of H.

The shell has a curved row of respiratory pores, rounded shell perforations overlying the respiratory cavity. A muscular foot protrudes from under the shell and this generally has strong suction power, permitting the abalone to clamp tightly to rocky substrata. A sensory structure, the epipodium, is an extension of the foot that bears tentacles and projects beyond the shell edge in the living abalone. The epipodium is generally pigmented and this is often used as a distinguishing character between species.

Farms cultivating the tropical abalone have been established in many tropical and sub-tropical locations.

Some people claim that it is much tastier than coldwater species, and is the favorite species in Asia. Toggle navigation. Datasheet Haliotis asinina donkey ear abalone. Don't need the entire report? Generate a print friendly version containing only the sections you need. Generate report. View of shells showing internal and external details. Copyright Duc Minh Luu. Title Larvae Caption Veliger larvae of Haliotis asinina.

Title Spat Caption Spat of Haliotis asinina. Title Juveniles Caption Juveniles of Haliotis asinina. Title Culture tank Caption Culture of Haliotis asinina in a cement tank.

Title Culture cages Caption Culture of Haliotis asinina in cages. Title Shell Caption Dorsal view of Haliotis asinina shell. Copyright Peter A. Overview Top of page Like all other abalone, Haliotis asinina is a member of a large molluscan class, the Gastropoda which are characterized by having single-piece shells.

Pathogens Carried Top of page Polydora. Top of page. Title Shells. Title Larvae. Title Spat. Title Juveniles. Title Culture tank. Title Culture cages. Title Shell.

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Ass's Ear Abalone

We'd like to understand how you use our websites in order to improve them. Register your interest. Thisstudy investigated the effects of shelter surface area SSA on the feeding,growth and survival of the donkey-ear abalone, Haliotisasinina reared in mesh cages 0. Cages had sections of polyvinylchloride PVC thatprovided shelters with surface area of 0. Body size at harvest rangedfrom 56 to 59 mm SL and 52 to 57 g wet body weightwith significant differences between abalone reared at SSA 0. Abalone reared in cages with 0. This is a preview of subscription content, log in to check access.

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PubMed Central. Understanding the feeding preferences of abalone high-value marine herbivores is integral to new species development in aquaculture because of the expected link between preference and performance. Performance relates directly to the nutritional value of algae — or any feedstock — which in turn is driven by the amino acid content and profile, and specifically the content of the limiting essential amino acids. However, the relationship between feeding preferences, consumption and amino acid content of algae have rarely been simultaneously investigated for abalone , and never for the emerging target species Haliotis asinina.

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Haliotis asinum Donovan , Haliotis asinina , common name the ass's-ear abalone , is a fairly large species of sea snail , a tropical gastropod mollusk in the family Haliotidae , the abalones , also known as ormers or paua. Both the common name and the scientific name are based on the shape of the shell, which is long, narrow and curved, resembling the shape of a donkey's ear. Its outer surface is smooth and almost totally covered by the mantle in life, making encrustations of other animals such as barnacles quite uncommon in comparison to other abalones. These holes collectively make up what is known as the selenizone which form as the shell grows. Its spire is somewhat conspicuous, with a mostly posterior apex. The color may variate between green olive or brown externally, with distinct roughly triangular patches.

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