File:Nuclearia movement DSC 1253.webm

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Original file (WebM audio/video file, VP9, length 41 s, 1,280 × 720 pixels, 1.5 Mbps overall, file size: 7.33 MB)

Captions

Captions

Species of Nuclearia, a naked filose amoeba, with a mucus-like layer covering the cell

Summary

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Description

Nuclearia is a naked filose amoeba. This species is surrounded by a mucus-like layer, in which are embedded numerous bacterial cells, forming a "halo" around the amoeba. Thin filose pseudopodia (filopodia) extend from the cell body. The amoeba has captured a green alga that it will eventually consume.

Date: 16 Aug 2011

Location: Freshwater fish pond in concrete tank, outside Life Science Lab 7, National University of Singapore. Walls were covered in filamentous cyanobacteria, and the bottom with fish waste. Water was mostly clear.

Microscope: Bright-field with closed condenser aperture.

Camera: Nikon D7000

Scale: Field of view is about 240 micrometers across.
Date 16 Aug 2011
Source Own work
Author Brandon Seah

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Date/TimeThumbnailDimensionsUserComment
current13:08, 30 March 202441 s, 1,280 × 720 (7.33 MB)Kbseah (talk | contribs)Imported media from uploads:c0d6087e-ee94-11ee-b19f-3aa223a4be1e

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Format Bitrate Download Status Encode time
VP9 720P 1.35 Mbps Completed 13:15, 30 March 2024 2 min 16 s
VP9 480P 667 kbps Completed 13:29, 30 March 2024 1 min 24 s
VP9 360P 301 kbps Completed 13:29, 30 March 2024 58 s
VP9 240P 146 kbps Completed 13:28, 30 March 2024 31 s
WebM 360P 283 kbps Completed 13:28, 30 March 2024 15 s
QuickTime 144p (MJPEG) Not ready Unknown status

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