CPE 107 TEAM ANXIETY by VERA SOPHIA MATAGANAS

𝘈𝘳𝘥𝘦𝘰𝘥𝘰𝘳𝘪𝘴 𝘦𝘨𝘳𝘦𝘵𝘵𝘢

verasophiamataganas — 2024-06-24 12:23:21 UTC

Ardeodoris egretta, also known as Ardeodoris egretta, is a species of sea slug or nudibranch that belongs to the family Chromodorididae. These colorful marine creatures are found in the tropical waters of the Philippines and other regions in the Coral Triangle, known for their rich marine biodiversity. Ardeodoris egretta is characterized by its striking appearance, which includes a vibrant coloration of blue or purple with contrasting patterns. Like other nudibranchs, they are shell-less marine gastropods with exposed gills, giving them their name "nudibranch," which means "naked gills."

Ardeodoris egretta has evolved unique adaptations for defense and camouflage, including toxic secretions and mimicry of their prey or surroundings to avoid predators. Observing Ardeodoris egretta in their natural habitat is a treat for underwater enthusiasts, as their vivid colors and intricate patterns make them a favorite subject for underwater photography. Their presence in the marine ecosystem of the Philippines adds to the diverse array of sea slugs and nudibranchs that contribute to the beauty and complexity of the underwater world.

𝘗𝘩𝘺𝘭𝘪𝘥𝘪𝘢 𝘤𝘰𝘦𝘭𝘦𝘴𝘵𝘦𝘴

verasophiamataganas — 2024-06-24 12:23:50 UTC

Phylidia coelestes is a species of brightly colored sea slug, belonging to the family Phylidiidae. These nudibranchs are found in tropical and subtropical waters, particularly in the Indo-Pacific region. They are known for their distinctive and vibrant blue coloration with black and white markings, which serve as a warning to potential predators about their toxic nature. The toxins they produce are a defense mechanism against predation and are derived from the sponges they consume. Their vivid appearance makes them a popular subject for underwater photographers and marine biologists studying marine biodiversity and chemical ecology.

Taxonomy

verasophiamataganas — 2024-06-24 13:48:02 UTC

Here are the taxonomies for each of the given species:

Chromodoris annae
- Kingdom: Animalia
- Phylum: Mollusca
- Class: Gastropoda
- Order: Nudibranchia
- Family: Chromodorididae
- Genus: Chromodoris
- Species: Chromodoris annae
Chromodoris magnifica
- Kingdom: Animalia
- Phylum: Mollusca
- Class: Gastropoda
- Order: Nudibranchia
- Family: Chromodorididae
- Genus: Chromodoris
- Species: Chromodoris magnifica
Phylidia coelestis
- Kingdom: Animalia
- Phylum: Mollusca
- Class: Gastropoda
- Order: Nudibranchia
- Family: Phyllidiidae
- Genus: Phylidia
- Species: Phylidia coelestis
Philinopsis gardineri
- Kingdom: Animalia
- Phylum: Mollusca
- Class: Gastropoda
- Order: Cephalaspidea
- Family: Aglajidae
- Genus: Philinopsis
- Species: Philinopsis gardineri
Jorunna funebris
- Kingdom: Animalia
- Phylum: Mollusca
- Class: Gastropoda
- Order: Nudibranchia
- Family: Discodorididae
- Genus: Jorunna
- Species: Jorunna funebris

Each species belongs to the Kingdom Animalia, Phylum Mollusca, and Class Gastropoda. They differ in their orders, families, genera, and species names, reflecting their distinct taxonomic classifications within the group of mollusks known as gastropods.

verasophiamataganas — 2024-06-24 13:48:10 UTC

verasophiamataganas — 2024-06-24 13:51:46 UTC

verasophiamataganas — 2024-06-24 13:51:54 UTC

Studying Phylidia coelestes provides valuable insights into marine chemical ecology, evolutionary biology, and the ecological dynamics of coral reef ecosystems where they commonly reside. Their role in the marine food web and their interactions with both prey and predators highlight the complex interdependencies within marine environments.

TRIVIA:

No Shells. Unlike many other mollusks, nudibranchs like Phylidia coelestes do not have shells in their adult form, having lost them through evolution to rely on other defense mechanisms instead.

𝘑𝘰𝘳𝘶𝘯𝘯𝘢 𝘧𝘶𝘯𝘦𝘣𝘳𝘪𝘴

verasophiamataganas — 2024-06-24 13:55:00 UTC

Jorunna funebris, commonly called the dotted nudibranch, is a species of sea slug. It is a dorid nudibranch, which is a shell-less marine gastropod mollusc in the family Discodorididae. The genus Jorunna is composed of roughly 15 other species of nudibranchs, which feed on a variety of sponges.

verasophiamataganas — 2024-06-24 13:55:29 UTC

The species was first described as Doris funebris in 1858 by E.F. Kelaart in Sri Lanka, formerly called Ceylon. Kelaart described the nudibranch's appearance, egg mass appearance, and the behavior of a pair while laying eggs in an aquarium. It is easily recognizable by its cream-colored body adorned with patches of slightly elevated black papillae, along with black rhinophores and gills. Growing up to 70 mm in length, Jorunna funebris inhabits a variety of marine environments, from silty substrates under piers to more exposed reef areas. It preys exclusively on sponges of the genus Xestospongia, which closely aligns its distribution with that of its prey.

TRIVIA:

Jorunna funebris, gets its name from the black and white coloration. It feeds on blue sponges (Neopetrosia sp.), which makes it poisonous, and able to secrete chemicals that make them distasteful or toxic.

verasophiamataganas — 2024-06-24 13:56:06 UTC

𝘊𝘩𝘳𝘰𝘮𝘰𝘥𝘰𝘳𝘪𝘴 𝘢𝘯𝘯𝘢𝘦

verasophiamataganas — 2024-06-24 13:56:22 UTC

Chromodoris annae, also known as Anna's Magnificent Sea Slug, is a vibrant and captivating species of nudibranch, a shell-less marine gastropod mollusc in the family Chromodorididae. Its striking appearance and unique characteristics make it a popular subject for underwater photographers and a fascinating addition to any reef aquarium. Chromodoris annae is found in the central Indo-Pacific region, spanning from Malaysia, Indonesia, and the Philippines to the Marshall Islands.

𝘗𝘩𝘪𝘭𝘪𝘯𝘰𝘱𝘴𝘪𝘴 𝘨𝘢𝘳𝘯𝘦𝘥𝘦𝘳𝘪

verasophiamataganas — 2024-06-24 13:57:07 UTC

Philinopsis gardineri is very similar in colour to the related Chelidonura varians from which it can be easily separated by the long pointed posterior tails present in Chelidonura.

verasophiamataganas — 2024-06-24 13:57:19 UTC

verasophiamataganas — 2024-06-24 13:58:27 UTC

TRIVIA:

It's a picky eater! Chromodoris annae only feeds on a specific type of sponge called Petrosa spongia sp.
It's a chemical warrior! This sea slug absorbs toxins from its sponge prey and stores them in glands around its mantle. This makes it unappetizing to many predators.

verasophiamataganas — 2024-06-24 13:59:04 UTC

verasophiamataganas — 2024-06-24 13:59:43 UTC

The Aglajidae are all carnivorous hunters, and species of Philinopsis are usually found burrowing in sand or sandy mud. There are two groups of species at present placed in the genus Philinopsis. The "typical" group, represented by Philinopsis cyanea, have a large partially eversible buccal bulb which is used to catch the bubble shells and other opisthobranchs which are their prey. Philinopsis gardineri represents the second "atypical" group which have a long muscular, tubular buccal bulb. We have no information on how this second group feed but it is possible that they use the buccal bulb as a long eversible tube which can catch prey (worms?) in narrow burrows or crevices. Bergh informally suggested the name "Boridium" for the group with the tubular buccal bulb, but as he wasn't sure whether his anatomy was correct or not he never formally introduced the name. Species with this foregut are usually quite easy to identify in the living animal as the folds of the tube form a rounded central crest on the head which can be seen on the photo alongside. It reminds me of the front of a jumbo jet. Other species with this type of buccal bulb include Philinopsis pilsbryi and Philinopsis lineolata.

TRIVIA:

This sea slug is a hermaphrodite (a sexually reproducing organism that produces both male and female gametes); having encountered each other, two individuals simultaneously transfer sperm to each other. The egg masses contain 5,000 to 70,000 eggs in strands, clumped together to form a balloon-shaped mass which is anchored to the substrate by a mucus filament. The eggs hatch after four to ten days

verasophiamataganas — 2024-06-24 14:00:48 UTC

TRIVIA:

Speedy Slugs. Despite their seemingly slow movement, some slugs can actually move at speeds of up to 0.19 miles per hour, which is quite impressive considering their size and anatomy.

verasophiamataganas — 2024-06-24 14:01:46 UTC

𝘊𝘩𝘳𝘰𝘮𝘰𝘥𝘰𝘳𝘪𝘴 𝘮𝘢𝘨𝘯𝘪𝘧𝘪𝘤𝘢

verasophiamataganas — 2024-06-24 14:03:14 UTC

Chromodoris magnifica is a sea slug, a species of nudibranch, a shell-less marine gastropod mollusc in the family Chromodorididae.

verasophiamataganas — 2024-06-24 14:03:47 UTC

It is the type species of the genus Chromodoris. Chromodoris magnifica can reach a maximum size of 60 mm (2.4 in) in length. The body is elongate with a foot which is distinct from the upper body by a skirt like mantle hiding partially the foot. The branched gills and the rhinophores are orange color and can be withdrawn into specific pockets under the skin in case of danger. The specific epithet magnifica in Chromodoris magnifica means magnificent, so-named because of this nudibranch's striking, vibrant colors.

verasophiamataganas — 2024-06-24 14:04:31 UTC

TRIVIA:

Did you know that Chromodoris Magnifica is known only from Indonesia, Papua New Guinea, Eastern Australia, and Philippines? This species can be found living on coral reefs from depths of sea and known to feed on sponges.

verasophiamataganas — 2024-06-24 14:14:03 UTC

References

Ardeadoris egretta, Heron ardeadoris. (n.d.). Www.sealifebase.ca. Retrieved June 24, 2024, from https://www.sealifebase.ca/summary/Ardeadoris-egretta.html

Gardiner’s headshield slug · Philinopsis gardineri. (n.d.). Reeflings. Retrieved June 24, 2024, from https://reeflings.com/species/philinopsis-gardineri

jurisdiction =New South Wales; corporateName=Australian Museum; author=Rudman, W. B. (2010, July 15). The Sea Slug Forum - Philinopsis gardineri. Www.seaslugforum.net. http://www.seaslugforum.net/find/philgard

Magnificent Chromodoris (Chromodoris magnifica). (n.d.). Www.daveharasti.com. Retrieved June 24, 2024, from http://www.daveharasti.com/articles/speciesspotlight/magnificentchromodoris.htm?fbclid=IwAR3fbvwre8AMG1MpnSVmMwyPTFeQT3m3rQ1iX7Gfuu9b0l_Op6_HiOj0-og#:~:text=This%20species%20can%20be%20found

Mourning Dorid (Jorunna funebris). (n.d.). INaturalist. Retrieved June 24, 2024, from https://www.inaturalist.org/taxa/50300-Jorunna-funebris?fbclid=IwAR2A_TF09vw-UrDIWGNdk2shA-cK7HYNuBZbdHv0ynXODdDgDAlyCtmA9XY

Philinopsis gardineri (Eliot, 1903) – Solitary Islands Underwater Research Group. (n.d.). Retrieved June 24, 2024, from https://www.surg.org.au/species/philinopsis-gardineri-eliot-1903/

Phyllidia coelestis, Celestial phyllidia. (n.d.). Www.sealifebase.se. Retrieved June 24, 2024, from https://www.sealifebase.se/summary/Phyllidia-coelestis.html?fbclid=IwAR2S-kmcbzaqI1qi2NzSdju-4ZjUnn6iN9JOlNIjM7u7Z6eF6hDAVq6nKkM