WebPredation of inanga (Galaxias maculatus) eggs by field mice (Mus musculus) Cindy F. Baker Abstract The common house mouse Mus musculus was observed feeding on the eggs of the indigenous fish, the inanga Galaxias maculatus. This mouse is an introduced species to New Zealand and could potentially be a major predator of the eggs of inanga … Web01. jun 2003. · Results demonstrate inanga juveniles can discriminate and are attracted to adult galaxiids during their migratory phase, whilst migratory koaro juveniles exhibit a species‐specific attraction to adult odours similar to the pheromonal attraction previously described for juvenile banded kokopu. Abstract The response of migratory galaxiid …

Straw bales as temporary inanga spawning habitat

WebThe inanga (Galaxias maculatus Jenyns 1842) is the most common of the five galaxiid species which comprise New Zealand's whitebait fishery (McDowall 1984). Juveniles of these five species migrate from the sea to fresh water, primarily in spring. WebInanga (whitebait) Whitebait lay their eggs in freshwater, and after hatching, the larvae are swept down to the ocean where they grow. The young then move back up into … hplc merupakan jurnal

Freshwater fish spawning and migration periods

WebInanga tend to spawn in the upper estuary/ lower riverine areas near the upstream penetration of the salt wedge (Fig. 1) during spring tides between late summer and early winter (Taylor, 2002). Likely spawning areas can be identified by measuring salinity along a profile of the lower riverine WebSome indigenous fish species are widespread but in low numbers and declining, e.g. longfin eel, giant kokopu, koaro and inanga. Eats lake crustaceans when small, then aquatic … hplc metal tubing