Xenbase is undergoing scheduled maintenance Wednesday, June 14 and Thursday, June 15, 2023. Xenbase will be unavailable on those days.

 Click on this message to dismiss it.
Click here to close Hello! We notice that you are using Internet Explorer, which is not supported by Xenbase and may cause the site to display incorrectly. We suggest using a current version of Chrome, FireFox, or Safari.
Summary Stage Literature (234) Attributions Wiki
XB-STAGE-59

Name: NF stage 45

XAO ID: 1000057

Definition: "Nieuwkoop and Faber stage 45, corresponding to a tadpole of age 4 days, 2 hr at 22-24 Celsius and having the following external morphological criteria: Operculum partly covering gills, edge still straight. Intestine spiralized in ventral aspects, showing 1.5 revolutions. Beginning of feeding. Length: 8 - 10 mm."
1/6


Preceded By: NF stage 44 Succeeded By: NF stage 46