/r/PicsOfUnusualSlugs

Photograph via snooOG

Land slugs and sea slugs are welcome. Worms and sea cucumbers are not.

Land slugs and sea slugs are welcome. Worms and sea cucumbers are not.


1) Genetic unusualness

Real slugs with distinctly unusual visuals, behaviors, or facts.

Allowed "slugs":

  • land slugs / sea slugs / semi-slugs
  • nudibranchs / pleurobranchs
  • sacoglossans with no shells (Plakobranchacea)
  • headshield slugs
  • sea angels
  • sea hares
  • bubble snails (due to reduced shell)

Banned "slugs":

  • sea cucumbers
  • most snails
  • worms

2) Correct species name in title

Requires the common or scientific name, but reasonable mistakes won't be removed. This is helpful for education, searching, and research.

3) Minimum picture size = 400 by 400 pixels

4) "Good format"

  • No "photoshop" (minimal oversaturation, no deception)
  • No reaction text/emojis (no memes, no commentary)
  • No bad cropping (minimal black bars, no obvious screenshots)

Artwork is only allowed when extinct, nearly extinct, or beside a photograph.

5) Gifs/Videos allowed

Must have motion footage of the slug.

6) No compilations

No posts focusing on 3+ slug species.

7) No recent reposts

Try using the search bar before submitting.

  • No reposting: within 3 months
  • No species reposting: within 1 month


r/PicsofUnusualBirds

r/AIDKE (Animals I Didn't Know Existed)

/r/PicsOfUnusualSlugs

4,986 Subscribers

54

Hopkin’s rose nudibranch (Ceratodoris rosacea) gets its rosy-pink pigment by eating pink bryozoans — tiny, colonial animals that form larger plant-like structures. Despite looking like bubblegum, the sea slug's frilly, pink appearance is thought to deter predators.

2 Comments
2025/01/21
02:14 UTC

166

Bursatella leachii

4 Comments
2025/01/01
10:02 UTC

181

Phylliroe nudibranch, looks like a fish

3 Comments
2024/12/25
22:20 UTC

91

Hot-Pink slug (Triboniophorus aff. graeffei) found in Mount Kaputar Volcano in Australia

1 Comment
2024/12/09
10:15 UTC

177

The New Zealand Pickle Slug(Athoracophorus papillatus)

5 Comments
2024/10/08
21:09 UTC

145

Nudibranch (gymnodoris inornata), Shek Ngau Chau, Hong Kong, September 2024 (OC).

3 Comments
2024/09/16
13:32 UTC

88

Nudibranch (Pteraeolidia), Tung Ping Chau, Hong Kong, August 2024 (OC)

2 Comments
2024/08/25
14:52 UTC

154

Unknown species of slug from Tanzania, Photographed by Matthieu Berroneau in early 2024

8 Comments
2024/06/11
21:28 UTC

77

Phyllidia ocellata nudibranch, off Sung Kong Island, Hong Kong, June 2024 (OC)

1 Comment
2024/06/09
15:27 UTC

131

Lettuce Slug!!

4 Comments
2024/04/25
19:10 UTC

74

Chromodoris annae, Anilao, Philippines, January 2024 (OC)

1 Comment
2024/03/08
13:03 UTC

79

Chromodoris willani nudibranch, Anilao, Philippines, January 2024

1 Comment
2024/03/01
13:42 UTC

47

Thecacera picta, Anilao, Philippines, January 2024 (OC)

1 Comment
2024/02/28
14:12 UTC

86

The gills (purple) & rhinophores (pink) of a Nembrotha chamberlaini nudibranch, Anilao, Philippines, January 2024 (OC)

2 Comments
2024/02/20
15:18 UTC

49

Hypeselodoris apolegma nudibranch, Anilao, Philippines, January 2024. Olympus TG-5 + darktable (OC)

2 Comments
2024/02/15
14:09 UTC

65

Batwing sea slug, Sagaminopteron psychedelicum

3 Comments
2023/12/30
14:47 UTC

47

Muangnua arborea, a recently discovered species of semislug from Thailand

7 Comments
2023/12/18
14:44 UTC

65

Thuridilla gracilis

3 Comments
2023/12/15
23:28 UTC

78

Nembrotha chamberlaini

3 Comments
2023/12/14
11:31 UTC

47

Cabangus regius

3 Comments
2023/12/11
11:53 UTC

193

Unidentia angelvaldesi

18 Comments
2023/12/09
15:15 UTC

18

Undescribed species of tailed snail in the family Urocyclidae

3 Comments
2023/12/07
23:21 UTC

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