spanish ribbed newt larvae / between 1 and 3 cm 
small live or frozen foods like daphnia  copepods ,bloodworm or brine shrimp are essential at this stage of there development, the spanish ribbed newt is a cold tolerant species and can survive outdoors in the uk, though as there not native always ensure they cant escape into the wild ,The spanish ribbed newt sometimes called the iberian ribbed newt or sharp ribbed newt is native to Spain, Morocco and a few of other parts of western Europe they are Europe's largest newt species reaching a max size of 30 cm ! They get there name due to there ability to protrude the sharp tips of there ribs through there body as a defence against predators the ribs are also coated in a mild toxin ,they have a similar lifestyle to axolotls spending there entire life in water there behaviour and care requirements are also similar to axolotls although they do tend to be less aggressive and can successfully be kept with some fish species including fast moving non aggressive species like minnows, they are a cold tolerant species and don't require a heater ,these large newts have a large Appetite and can be fed earthworms, prawns, dead fish ,,krill and any other live or frozen foods and will also sometimes accept pelleted food ,they are an interesting species and make great pets and can even learn to be had fed.