Photos / Sounds

What

Hydras (Genus Hydra)

Observer

aestra

Date

May 23, 2024 05:36 PM CEST
Hydras - Photo (c) Marco Spiller, some rights reserved (CC BY-NC-SA)
irenedeserti's ID: Hydras (Genus Hydra)
Added on May 24, 2024
Supporting

Photos / Sounds

What

Hydras (Genus Hydra)

Observer

alexey_p

Date

May 23, 2024 05:35 PM MSK
Hydras - Photo (c) Marco Spiller, some rights reserved (CC BY-NC-SA)
irenedeserti's ID: Hydras (Genus Hydra)
Added on May 24, 2024
Supporting

Photos / Sounds

What

Hydras (Genus Hydra)

Observer

alexey_p

Date

May 22, 2024 03:58 PM MSK
Hydras - Photo (c) Marco Spiller, some rights reserved (CC BY-NC-SA)
irenedeserti's ID: Hydras (Genus Hydra)
Added on May 23, 2024
Supporting

Photos / Sounds

What

Hydras (Genus Hydra)

Observer

csledge

Date

May 18, 2024 01:16 PM CDT

Description

CNIDARIANS IN MINNESOTA!?!?!?! IN MY CITY!?!?!? HOW DID I NOT KNOW ABOUT THIS ANIMAL!?!??!?!?! THIS IS SO AWESOME!!!!!!!!

Hydras - Photo (c) Marco Spiller, some rights reserved (CC BY-NC-SA)
irenedeserti's ID: Hydras (Genus Hydra)
Added on May 22, 2024
Supporting

Photos / Sounds

What

Common Hydra (Hydra vulgaris)

Observer

oleg_kovalenko

Date

May 20, 2024 09:49 PM MSK
Common Hydra - Photo (c) Proyecto Agua, some rights reserved (CC BY-NC-SA)
irenedeserti's ID: Common Hydra (Hydra vulgaris)
Added on May 21, 2024
Supporting

Photos / Sounds

What

Hydras (Genus Hydra)

Observer

kpmcfarland

Date

May 17, 2024 11:05 AM EDT

Description

Animals - Photo no rights reserved, uploaded by Abhas Misraraj
irenedeserti's ID: Animals (Kingdom Animalia)
Added on May 20, 2024
Improving

Photos / Sounds

What

Common Hydra (Hydra vulgaris)

Observer

jo1322

Date

July 16, 2023

Description

From pond , on water plant "Potamogeton lucens".

Common Hydra - Photo (c) Proyecto Agua, some rights reserved (CC BY-NC-SA)
irenedeserti's ID: Common Hydra (Hydra vulgaris)
Added on May 19, 2024
Supporting

Photos / Sounds

What

Green Hydra (Hydra viridissima)

Observer

tiggrx

Date

May 2024
Green Hydra - Photo (c) 大肚魚, some rights reserved (CC BY-NC), uploaded by 大肚魚
irenedeserti's ID: Green Hydra (Hydra viridissima)
Added on May 19, 2024
Supporting

Photos / Sounds

What

Hydras (Genus Hydra)

Observer

kpmcfarland

Date

May 17, 2024 11:05 AM EDT

Description

Plants - Photo (c) Rocío Ramírez Barrios, all rights reserved, uploaded by Rocío Ramírez Barrios
irenedeserti's ID: Plants (Kingdom Plantae)
Added on May 19, 2024
Maverick

Photos / Sounds

What

Hydras (Genus Hydra)

Observer

ethan_58

Date

May 16, 2024 05:15 PM CDT
Hydras - Photo (c) Marco Spiller, some rights reserved (CC BY-NC-SA)
irenedeserti's ID: Hydras (Genus Hydra)
Added on May 17, 2024
Improving

Photos / Sounds

What

Green Hydra (Hydra viridissima)

Observer

tuero

Date

May 15, 2024 01:39 PM WEST

Description

En una charca, sobre Lemna minuta.

Green Hydra - Photo (c) 大肚魚, some rights reserved (CC BY-NC), uploaded by 大肚魚
irenedeserti's ID: Green Hydra (Hydra viridissima)
Added on May 17, 2024
Supporting

Photos / Sounds

What

Hydras (Genus Hydra)

Observer

florianquiec

Date

March 26, 2024 06:19 AM MST

Description

Found in freshwater stream

Hydras - Photo (c) Marco Spiller, some rights reserved (CC BY-NC-SA)
irenedeserti's ID: Hydras (Genus Hydra)
Added on May 17, 2024
Supporting
Other Animals

Photos / Sounds

What

Animals (Kingdom Animalia)

Date

May 14, 2024 01:44 PM EDT
Sponges - Photo (c) Kerry Lewis, some rights reserved (CC BY-NC), uploaded by Kerry Lewis
irenedeserti's ID: Sponges (Phylum Porifera)
Added on May 15, 2024
Leading

Photos / Sounds

What

Hydras (Genus Hydra)

Observer

blueranchu

Date

May 13, 2024 12:06 PM CDT

Description

Video link: https://youtube.com/shorts/Jb2eq_JayVs?si=3E_z6Yag5a_rm3o7

Growing on sponge filter in minnow and snail tank
Still when first observed. I moved a plant and stirred up some mulm. Here, they are consuming the mulm from the water column.

These appear white, unlike the vibrant green of some hydra. I'm not sure if these actually are white/clear or if the lighting at the back of the tank alters their appearance on camera. The transparent body of hydra might show what they are eating.
Edit: turns out some species contain symbiotic strains of algae, which makes them green, although they don't consume it.

Hydras - Photo (c) Marco Spiller, some rights reserved (CC BY-NC-SA)
irenedeserti's ID: Hydras (Genus Hydra)
Added on May 14, 2024
Supporting

Photos / Sounds

Observer

swg_critter

Date

May 14, 2024 07:41 AM EDT
Acanalonia - Photo (c) Eduardo Axel Recillas Bautista, some rights reserved (CC BY-NC), uploaded by Eduardo Axel Recillas Bautista
irenedeserti's ID: Genus Acanalonia, a member of Acanaloniid Planthoppers (Family Acanaloniidae)
Added on May 14, 2024
Supporting

Photos / Sounds

What

True Jellies (Class Scyphozoa)

Observer

aamir_matli

Date

January 7, 2019 06:02 PM IST
True Jellies - Photo (c) Pat Webster @underwaterpat, all rights reserved, uploaded by Pat Webster @underwaterpat
irenedeserti's ID: True Jellies (Class Scyphozoa)
Added on May 14, 2024
Improving

Photos / Sounds

What

Hydras (Genus Hydra)

Observer

alondramm

Date

May 10, 2024 10:27 AM PDT
Hydras - Photo (c) Marco Spiller, some rights reserved (CC BY-NC-SA)
irenedeserti's ID: Hydras (Genus Hydra)
Added on May 11, 2024
Improving

Photos / Sounds

What

Hydras (Genus Hydra)

Observer

finch100

Date

May 10, 2024 05:16 PM MSK

Description

Hydras - Photo (c) Marco Spiller, some rights reserved (CC BY-NC-SA)
irenedeserti's ID: Hydras (Genus Hydra)
Added on May 11, 2024
Supporting

Photos / Sounds

What

Hydras (Genus Hydra)

Observer

tiggrx

Date

May 2024
Hydras - Photo (c) Marco Spiller, some rights reserved (CC BY-NC-SA)
irenedeserti's ID: Hydras (Genus Hydra)
Added on May 11, 2024
Supporting

Photos / Sounds

What

Hydras (Genus Hydra)

Observer

csyampae

Date

May 8, 2024 09:00 AM AKDT
Hydras - Photo (c) Marco Spiller, some rights reserved (CC BY-NC-SA)
irenedeserti's ID: Hydras (Genus Hydra)
Added on May 9, 2024
Supporting

Photos / Sounds

What

Freshwater Medusas (Genus Craspedacusta)

Observer

feernandobm

Date

September 17, 2022 02:42 PM CEST
Freshwater Medusas - Photo (c) rkluzco, some rights reserved (CC BY-NC)
irenedeserti's ID: Freshwater Medusas (Genus Craspedacusta)
Added on May 9, 2024
Supporting

Photos / Sounds

What

Green Hydra (Hydra viridissima)

Observer

tloh2

Date

May 2024

Description

From the home aquarium.

Green Hydra - Photo (c) 大肚魚, some rights reserved (CC BY-NC), uploaded by 大肚魚
irenedeserti's ID: Green Hydra (Hydra viridissima)
Added on May 6, 2024
Improving

Photos / Sounds

What

Hydras (Genus Hydra)

Observer

romainclem

Date

May 2024

Place

Germany (Google, OSM)
Hydras - Photo (c) Marco Spiller, some rights reserved (CC BY-NC-SA)
irenedeserti's ID: Hydras (Genus Hydra)
Added on May 6, 2024
Supporting

Photos / Sounds

What

Hydras (Genus Hydra)

Observer

coleoreteh

Date

May 2024

Place

Japan (Google, OSM)
Hydras - Photo (c) Marco Spiller, some rights reserved (CC BY-NC-SA)
irenedeserti's ID: Hydras (Genus Hydra)
Added on May 5, 2024
Supporting

Photos / Sounds

What

Cnidarians (Phylum Cnidaria)

Observer

wangwang2018

Date

May 2, 2024 09:23 AM CST
Cnidarians - Photo (c) Giorgos Vintzileos, some rights reserved (CC BY-NC-ND)
irenedeserti's ID: Cnidarians (Phylum Cnidaria)
Added on May 3, 2024
Improving

Photos / Sounds

What

Amphipods (Order Amphipoda)

Observer

rosco_bio

Date

April 29, 2024 09:29 PM CST
Animals - Photo no rights reserved, uploaded by Abhas Misraraj
irenedeserti's ID: Animals (Kingdom Animalia)
Added on May 2, 2024
Improving

Photos / Sounds

What

Green Hydra (Hydra viridissima)

Observer

victor0001

Date

April 29, 2024 01:25 PM BST

Place

London, UK (Google, OSM)
Green Hydra - Photo (c) 大肚魚, some rights reserved (CC BY-NC), uploaded by 大肚魚
irenedeserti's ID: Green Hydra (Hydra viridissima)
Added on May 1, 2024
Supporting

Photos / Sounds

What

Green Hydra (Hydra viridissima)

Observer

victor0001

Date

April 29, 2024 01:13 PM BST

Place

London, UK (Google, OSM)
Green Hydra - Photo (c) 大肚魚, some rights reserved (CC BY-NC), uploaded by 大肚魚
irenedeserti's ID: Green Hydra (Hydra viridissima)
Added on May 1, 2024
Supporting

Photos / Sounds

What

Life (Life)

Observer

ximena207

Date

April 29, 2024 04:43 PM -04
Plants - Photo (c) Rocío Ramírez Barrios, all rights reserved, uploaded by Rocío Ramírez Barrios
irenedeserti's ID: Plants (Kingdom Plantae)
Added on April 30, 2024
Leading

Photos / Sounds

What

Hydras (Genus Hydra)

Observer

thomas--

Date

April 29, 2024 03:09 PM CEST
Hydras - Photo (c) Marco Spiller, some rights reserved (CC BY-NC-SA)
irenedeserti's ID: Hydras (Genus Hydra)
Added on April 30, 2024
Supporting

Stats

  • 212

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