Critters from the Ocean Pond at Dalhousie University

May 3rd, 2022 in participation with the City Nature Challenge for Halifax, NS.

Posted on May 6, 2022 12:07 AM by isabelle9 isabelle9

Observations

Photos / Sounds

What

Planarians (Order Tricladida)

Observer

isabelle9

Date

May 3, 2022 06:41 PM ADT

Photos / Sounds

Observer

isabelle9

Date

May 3, 2022 06:50 PM ADT

Photos / Sounds

What

Green Algae (Phylum Chlorophyta)

Observer

isabelle9

Date

May 2, 2022 05:59 PM ADT

Photos / Sounds

What

Rotifers (Phylum Rotifera)

Observer

isabelle9

Date

May 2, 2022

Description

Hiding behind clump, but this was definitely a rotifer similar in shape to Tricocerca, maybe more elongated like Dicranophora in plate photo but without distinct prongued foot.

Photos / Sounds

What

Nematodes (Phylum Nematoda)

Observer

isabelle9

Date

May 2, 2022

Photos / Sounds

Observer

isabelle9

Date

May 2, 2022

Description

juvenile

Photos / Sounds

What

Amphipods (Order Amphipoda)

Observer

isabelle9

Date

May 2, 2022

Photos / Sounds

Observer

isabelle9

Date

May 2, 2022

Description

Just a guess. Some sort of protozoan.

Photos / Sounds

Observer

isabelle9

Date

May 2, 2022

Photos / Sounds

Observer

isabelle9

Date

May 2, 2022

Description

Either this Genus or similar rotifer

Photos / Sounds

Observer

isabelle9

Date

May 2, 2022

Description

Desmid, likely or very similar to Docedium according to photo of plate

Photos / Sounds

Observer

isabelle9

Date

May 2, 2022

Description

I am unsure of this one, but has at least one flagellum which was undulating (bottom left) but unable to see any red eyespot

Photos / Sounds

What

Green Algae (Phylum Chlorophyta)

Observer

isabelle9

Date

May 2, 2022

Photos / Sounds

What

Paramecium (Genus Paramecium)

Observer

isabelle9

Date

May 2, 2022

Description

very fast moving

Protozoans

Photos / Sounds

What

Protozoans (Kingdom Protozoa)

Observer

isabelle9

Date

May 2, 2022

Description

able to move like worm and elongate itself

Photos / Sounds

Observer

isabelle9

Date

May 2, 2022

Description

ciliated all around

Photos / Sounds

What

Vascular Plants (Phylum Tracheophyta)

Observer

isabelle9

Date

May 2, 2022

Description

Although not green and unable to see the distinct cell walls. Perhaps a dead specimen.

Photos / Sounds

What

Rotifers (Phylum Rotifera)

Observer

isabelle9

Date

May 2, 2022

Description

first photo is the corolla (Grey blob) near the 60, all others are of its foot with head hidden in debris

Photos / Sounds

Observer

isabelle9

Date

May 2, 2022

Description

Or similar diatom

Photos / Sounds

Observer

isabelle9

Date

May 2, 2022

Photos / Sounds

Observer

isabelle9

Date

May 2, 2022

Description

Diatom, similar to Pinnularia

Comments

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