Latin name | Ancylomenes holthuisi |
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Local name | Purple-spotted commensal shrimp |
Family | Alpheoidea - Ancylomenes |
Origin | East Indian Ocean, West Indian Ocean, Australia, Japan, Indonesia, Central/West Pacific |
Max length | 5 cm (2") |
Minimum volume | 50 l (13 gal) |
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Hardiness | Unknown |
Suitable for aquarium | Suitable with care |
Reef safe | Often reef safe |
Aggressiveness | Unknown |
Recommended |
Detritus Parasites |
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These shrimp have a symbiotic relationship with various anemones and corals. The shrimp may eat a little flesh of the host now and then.
Its a good idea to keep these shrimp with a large host which can withstand the continual predation by the shrimp.
Should not be kept without a host.
Shrimps have many different purposes in the tank, some are just pretty while others are shy but useful. Some remove parasites whilst others help fight different pests.
Read more about the different genera and species for more specific information.
Ronald L. Shimek. 2004. Marine Invertebrates (PocketExpert Guide) - TFH Publications / Microcosm Ltd. - (English)
Bob Fenner. Cleaner Shrimps of the Family Hippolytidae - Wet Web Media - (English)
James W. Fatherree. A Few Common Shrimps for the Marine Aquarium - Wet Web Media - (English)
Minimum volume
"Minimum volume" indicates the size of the tank needed to house this species under optimal conditions.
This is based on a medium size animal, which you want to keep for several years.
It might be possible to keep smaller specimens for a limited period in a smaller tank. A larger tank might be needed for fully-grown specimens.
Hardiness
"Hardiness" indicates how resistant this species is to disease and how well i tolerates bad conditions in general.
Some species doesn't handle transportation very well, but that doesn't mean that the species isn't hardy under the right conditions.
Suitable for aquarium
In this case, a "normal" aquarium is a reef aquarium with mixed corals or a fish only aquarium with an approximately salinity of 1.026 (sg) and a temperature close to 26°C.
Species requiring more than a 4000-liter tank are considered not suitable for home aquarium.
Special aquariums may cover tanks with low salinity, sub-tropical temperature, deep sand bed, sea grass etc.
Reef safe
Always reef safe: No sources indicate that this species will harm corals or other invertebrates.
Often reef safe: Only a few aquarists has reported problems keeping this species with corals and other invertebrates.
Reef safe with caution: This species may be a threat to some types of invertebrates.
Reef safe with luck: Most specimens will harm corals and/or other invertebrates, but you might be lucky.
Not reef safe: This species is a threat to most corals and/or other invertebrates.