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Hippopus hippopus   (Linnaeus, 1758)

bear paw clam

Native range
Reviewed map
Hippopus hippopus   AquaMaps   Data sources: GBIF OBIS
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Hippopus hippopus
Picture by Batoy, Corazon B.

Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Bivalvia | Veneroida | Tridacnidae

Environment / Climate / Range Ecology

Reef-associated; depth range 0 - 30 m (Ref. 348).  Tropical; 23°C - 30°C (Ref. 102835); 29°N - 28°S, 91°E - 170°W

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Indo-West Pacific.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?, range 13 - 15 cm Max length : 40.0 cm SHL male/unsexed; (Ref. 348); common length : 20.0 cm SHL male/unsexed; (Ref. 348)

Short description Morphology

The valves are thick, heavy and triangular in shape, often covered with reddish spots and obscured by encrustations. The mantle is a deep yellowgreen, irregularly mottled at the periphery and in the center.

Biology     Glossary (e.g. epibenthic)

Collected for food and shell, the latter commonly used in the shellcraft industry (Ref. 348). Maximum depth from Ref. 75831. In relatively shallow water, in lagoon, barrier and fringing reefs (Ref. 106851). Found in intertidal areas on corals (Ref. 75831). Tridacnids derive their nutrition from uptake of dissolved matter through their epidermis and from their symbiotic zooanthella Symbiodinium microadriaticum (Ref. 107098). Broadcast spawners. Life cycle: Embryos develop into free-swimming trocophore larvae, succeeded by the bivalve veliger, resembling a miniature clam (Ref. 833).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Broadcast spawners. Life cycle: Embryos develop into free-swimming trocophore larvae, succeeded by the bivalve veliger, resembling a miniature clam (Ref. 833).

Main reference References | Coordinator | Collaborators

Poutiers, J.M. 1998. (Ref. 348)

IUCN Red List Status (Ref. 115185)

CITES status (Ref. 108899)

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless

Human uses

Fisheries: commercial
| FisheriesWiki | Sea Around Us

More information

Common names
Synonyms
Predators
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Morphology
Larvae
Abundance
References
Mass conversion

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | GenBank (genome, nucleotide) | GloBI | GOBASE | Google Books | Google Scholar | Google | ispecies | PubMed | Scirus | Tree of Life | uBio | uBio RSS | Wikipedia (Go, Search) | Zoological Record

Estimates of some properties based on models

Vulnerability (Ref. 71543)
Moderate to high vulnerability (50 of 100)
Price category (Ref. 80766)
Unknown