A global citizen science platform
to discover, share and identify wildlife

Join Project Noah!

Centric Diatom

Ditylum sp.


Rectangular-shaped diatom with a spike at each end and this round structure inside the rectangle at both ends.


A marine biologist on board skimmed some plankton using really fine mesh nets and we took a drop from that sample and placed it under a microscope. The sample was skimmed in Izhut Bay just off Afognak Island in somewhat shallow water (less than 200 feet).

Species ID Suggestions

Sign in to suggest organism ID


Spotted by

Alaska, USA

Lat: 58.21, Long: -152.25

Spotted on Sep 19, 2019
Submitted on Nov 1, 2019

Related Spottings

Centric Diatom Diatom Centric Diatom

Nearby Spottings

Marine Diatom Spotting Marine Diatom Spotting