Sister Pistol Shrimp (Alpheus soror) Breeding Guide

Alpheus soror is a snapping shrimp described from Sri Lanka. Females are egg-carriers with planktonic larvae, and no home larval-rearing protocol is documented.

Overview

Alpheus soror Bruce, 1999 is an accepted snapping (pistol) shrimp species in the family Alpheidae, originally described as a cryptospecies from Sri Lanka. Members of the genus carry one enlarged claw that snaps loudly, and several Alpheus species live in burrows shared with gobies. This species is of interest in marine aquaria for that symbiosis rather than as a breeding subject.

Symbiosis Biology

Goby-associated snapping shrimp dig and maintain the burrow while the goby keeps watch. The shrimp stays in tactile contact with the goby through an antenna; the better-sighted goby warns of predators with a tail signal, prompting both partners to retreat into the burrow.

Spawning & Berried Females

Female alpheids carry the fertilised eggs beneath the abdomen until hatching. Snapping shrimp commonly pair-bond and keep the same mate, and males guard the female around moulting when she is most vulnerable.

Larval Care

Alpheid larvae develop through nauplius, zoea and post-larval stages and are planktonic before settling. No whitelisted source documents a method for rearing this species through settlement in aquaria.