63852
A clutch may have as many as 1500 eggs , and they take about a week to hatch into aquatic nymphs or naiads which moult between six and 15 times ( depending on species ) as they grow .
 animal: nymphs
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: nymphs 
Answer:
 animal: nymphs