Dr. Roy, i found a misstake in the Gonodactylaceus graphurus page.
Aquarium substrate: Requires tight-fitting, long narrow cavity, either pvc pipe or in rubble
Suitability for Aquarium: Good; needs stable water parameters; not active but usually can be seen looking out of cavity entrance; use of unusual telson that mimics urchin is interesting
Availability: Rare; occasionally can be specially ordered from collectors in Hawaii; while common at 20–30 m, because of the nature of their cavities, E. guerinii are extremely difficult to collect alive
This ist not for G. graphurus, but E. guerinii
And the Hyperlink in Distinguishing Characters (same page) is broken.
Greetings
Timmy
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