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Sclerasterias
Plate 1 of 1. (c) Smithsonian Institution, National Museum of Natural History, Department of Invertebrate Zoology, some rights reserved (CC BY-NC-SA) · via iNaturalist

Sclerasterias

Sclerasterias is a genus of starfish in the family Asteriidae. Adult individuals have five arms but small, immature individuals have six. This led to the giving of a separate generic name to the juveniles, Hydrasterias, before it was realised that only one genus was involved. These young individuals often undergo fissiparity. The disc splits into two parts, each bearing three arms, and new arms develop on each part to complete the complement of arms. This sometimes...

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15 branches of this genus, most-observed first

Tiger Star

speciesSclerasterias heteropaes

Sclerasterias tanneri

speciesSclerasterias tanneri

Sclerasterias mollis

speciesSclerasterias mollis

Sclerasterias dubia

speciesSclerasterias dubia

Sclerasterias contorta

speciesSclerasterias contorta

Sclerasterias neglecta

speciesSclerasterias neglecta

Sclerasterias satsumana

speciesSclerasterias satsumana

Sclerasterias richardi

speciesSclerasterias richardi

Sclerasterias eructans

speciesSclerasterias eructans

Sclerasterias alexandri

speciesSclerasterias alexandri

Sclerasterias mazophora

speciesSclerasterias mazophora

Sclerasterias eustyla

speciesSclerasterias eustyla

Sclerasterias guernei

speciesSclerasterias guernei

Sclerasterias euplecta

speciesSclerasterias euplecta

Sclerasterias parvulus

speciesSclerasterias parvulus

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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Every page naming Sclerasterias in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 247123.