Randall's Shrimp Goby Care Guide
Amblyeleotris randalli is a Western Pacific prawn goby noted for orange-striped body and a tall first dorsal fin bearing a black-and-white eyespot.
Compiled by Aquairi from published sources · Published · Updated
Overview
Amblyeleotris randalli, Randall's Shrimp Goby, is a marine prawn goby of the central Indo-Pacific. Its elongate cylindrical body is white banded with fine orange to yellow stripes, and the tall first dorsal fin displays a distinctive black-and-white eyespot when raised. It associates with snapping shrimp, generally Alpheus ochrostriatus, and was described by Hoese and Steene in 1978.
Taxonomy
- Family: Gobiidae
- Genus: Amblyeleotris
- Scientific name: Amblyeleotris randalli
Habitat
FishBase records the species from the Moluccas to the Solomon Islands, north to the Ryukyu Islands, south to the northern Great Barrier Reef, and Palau in Micronesia. It occupies patches of carbonate sand on clear-water reefs, usually at depths of 25 to 50 m.
Tank requirements
- Minimum tank volume: 80 L
- Temperature: 24-26 °C (75-79 °F)
- pH: 8.1-8.4
- Specific gravity: 1.024-1.026
- Carbonate hardness: 8-12 dKH
- Substrate: sand bed with rubble for burrowing
- Lifespan: 4-8 years
Diet
A carnivore that eats small crustaceans and small fishes passing close to its burrow in the wild. In the aquarium it accepts meaty marine foods such as mysis and enriched brine shrimp, fed twice daily.
Compatibility
A peaceful, bottom-dwelling species that hovers near its burrow. It pairs with pistol shrimp and is suited to calm tankmates such as clownfish, cardinalfish and tangs; aggressive predators and lionfish should be avoided.
Reef compatibility
Reef-safe. It does not bother corals; supply a sand bed with rubble caves so it can build and defend a shared burrow.
Conservation status
IUCN Red List: Least Concern (assessed 26 August 2020).
Amblyeleotris randalli Breeding Guide
Overview
Amblyeleotris randalli Hoese & Steene, 1978 is a reef-associated goby of the Western Pacific, ranging from the Moluccas to the Solomon Islands, north to the Ryukyu Islands, south to the northern Great Barrier Reef, and to Palau (FishBase). It reaches about 12.0 cm standard length and occurs on patches of carbonate sand and in rubble caves of clear-water reefs, usually at 25 to 50 m, living with an olivaceous prawn marked with short white transverse bars.
Sexing
FishBase lists no maturity or external sexing data for this species. As an Amblyeleotris shrimp goby it forms monogamous pairs, so sex is inferred from a settled pairing rather than fixed markings: two compatible fish holding one burrow without sustained aggression are treated as a pair.
Conditioning
Conditioning relies on stable reef parameters and frequent feeding. As a carnivore, the goby takes small meaty foods such as enriched mysis, brine shrimp and finely chopped marine items roughly twice daily. A securely paired alpheid prawn lowers stress and keeps the fish feeding near the burrow entrance.
Breeding Setup
A breeding-oriented system reproduces the carbonate-sand and rubble biotope with a deep sand bed and rubble pieces the prawn can build into a tunnel. Pairing with a compatible alpheid prawn is central: the prawn excavates and maintains the burrow while the goby acts as a lookout, the prawn keeping near-constant antenna contact with the fish (Amblyeleotris, Wikipedia).
Spawning Behavior & Trigger
Amblyeleotris gobies form monogamous pairs and lay demersal eggs inside the burrow, which the male guards until hatching (genus account). Species-specific clutch size and exact triggers for A. randalli are not given in the cited references and are omitted; the practical prerequisite is a stable, well-fed pair with a settled prawn partner.
Egg & Fry Care
The male tends the demersal eggs in the burrow until they hatch, after which the larvae are planktonic (genus account). Raising these planktonic larvae requires a separate rearing tank with appropriate very small first foods and stable conditions; a detailed protocol for A. randalli is not published in the cited sources.
Common Challenges
Successful home breeding of Amblyeleotris is rare because the delicate eggs and small planktonic larvae demand specialised care. The larval phase is the bottleneck rather than pairing or settling, and a tight lid is advisable since shrimp gobies readily jump from open tanks.