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Red modestly decorated crab from Philippines


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#1 Karen Honeycutt

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Posted 28 October 2012 - 03:57 PM

unidentified red decorator crab from Dumaguete

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#2 Leslie

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Posted 28 October 2012 - 05:18 PM

Another difficult decorator. Perhaps something like a Schizophrys dama,

#3 Bent C

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Posted 29 October 2012 - 11:32 AM

Is the red on the crab its own color or is it a sponge growing on the crab?
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#4 Leslie

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Posted 29 October 2012 - 12:04 PM

The red is a sponge. You can see that the first pair of legs lacks the sponge covering. that's typical of some Schizophrys and the shape of the carapace with the marginal spines is also typical of Schizophrys. But that's just my guess since I check guide books like everyone else when it comes to crabs.

#5 Nick Hope

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Posted 29 October 2012 - 09:31 PM

I have a couple of clips of a very similar crab from Bunaken. I agonised over whether they are Schizophyrys sp., but eventually plumped for Hyastenus elatus. I would love to be corrected.

http://stockfootage....yastenus_Elatus

#6 Leslie

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Posted 30 October 2012 - 07:29 AM

Judging by web images I think a lot of people get them confused. The commonly found IP Hyastenus have 2 prominent rostral spines. Some of them are decorators with sponge over the entire body & all legs; often the sponge over the 2 spines fuses into 1 club-shaped mass. Others don't use sponges & are fairly free of covering or just have hydroids or algae attached to the rostral spines. I would go with Schizophyrys (or something related) rather than Hyastenus for your animals.

#7 Karen Honeycutt

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Posted 02 November 2012 - 08:56 AM

Thanks so much for the ID. This is something I would never have figured out on my own, since the sponge was clearly identifiable as such in the sponge decorator crabs I have seen before.