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Pattaya Nudibranch
Andy January 7, 2025
Table of Contents
Find Nudibranch around Pattaya
Pattaya, a well-known diving destination in Thailand, offers a remarkable diversity of nudibranchs, flatworms, and sea slugs.
The diversity and distribution of nudibranchs were examined over a decade-long survey conducted in the Andaman Sea and the Gulf of Thailand, Thailand. The study documented 96 species across 40 genera and 17 families at depths ranging from 0 to 20 meters, culminating in a total of 136 species identified in Thai waters.
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Which Pattaya’s dive sites are best to find Nudibranch?
Having completed over 4,000 dives around Pattaya, we can confidently say: while the exact nudibranch species you’ll encounter can vary from dive to dive, some of the best spots to find these amazing little creatures are Koh Sak, Koh Rin, the Hardeep Wreck, and Koh Klung Badan. Here are a few of the nudibranch species you’re likely to see in the Pattaya area:
Mexichromis multituberculata
This nudibranch is distinguished by its vibrant purple body with yellow tubercles, often found on coral reefs, making it a colorful subject for underwater photography.
Goniobranchus verrieri
Frequently sighted around Koh Rong Samae San, this species features a creamy white body with red and yellow margins, typically seen feeding on sponges.
Gymnodoris ceylonica
Often spotted around Koh Pahi in Pattaya’s Far Islands, this nudibranch is known for its translucent orange body and white spots. It is commonly observed during mating.
Flabellina – Coryphellina exoptata
Spotted near the HTMS Mataphon Wreck by Koh Lan Island, this species has a translucent body with purple cerata, making it a favorite among macro photographers.
Cuthona kanga
Seen around Koh Sak Island, this tiny nudibranch boasts a translucent body with orange cerata tips and is often found on hydroids.
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Phyllidia pustulosa
Characterized by its warty appearance with yellow and black coloration, this species is often found on coral reefs consuming sponges.
Glossodoris atromarginata
With a creamy white body edged with a thin black line, it is typically observed on reefs, feeding on specific sponge species.
Costasiella kuroshimae
This famous leaf-like nudibranch fondly called Shaun the Sheep sea slugs) can be spotted in various dive sites around Pattaya and Samae San, offering unique macro photography opportunities.
Hypselodoris
With a smooth, elongated body and vibrant colors, Hypselodoris species are commonly found throughout Pattaya’s reefs, adding a splash of color to any dive.
Goniobranchus fidelis
Characterized by its white body and maroon spots, this species is a regular sight on coral reefs, offering a striking contrast against the vibrant marine environment.
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Our Favourite Pattaya Nudibranch
Janolus spiky Nudibranch
This captivating species, often found at Koh Rin Island and around the Hardeep Wreck, is known for its striking spiky cerata and vibrant colors. Thriving in areas with abundant coral growth, it offers stunning opportunities for underwater photographers.
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How to Identify Nudibranch
Identifying nudibranchs is an exciting challenge, with their incredible diversity of colors, shapes, and sizes.
Key identification features include body shape, coloration, patterns, cerata, and rhinophore structure. Each species has distinctive markings that help differentiate them.
Observing their habitat and associated marine life also offers clues, as some nudibranchs are linked to specific coral or sponge species.
Dive into our ultimate guide to nudibranchs for detailed descriptions, photos, and tips to enhance your next underwater adventure.
FAQs - Pattaya Nudibranch
Q: Which Pattaya dive sites are best for nudibranch?
A: Some of the top sites include Koh Sak, Koh Rin, Hardeep Wreck, and Koh Klung Badan, each offering diverse nudibranch sightings.
Q: Where are the best nudibranch locations in Thailand?
A: In addition to Pattaya, Koh Tao, Koh Chang, and the Similan Islands are renowned for their rich nudibranch diversity.
Q: Can I find nudibranch shore diving in Pattaya?
A: Yes, Pattaya is a hotspot for nudibranch enthusiasts, with numerous species found across the Pattaya Islands dive sites.
Q: What time of year is best for nudibranch diving in Pattaya?
A: Nudibranchs can be found year-round, but visibility and conditions are often best from November to March.
Q: Is the Gulf of Thailand a Hot spot for Nudibranch diving?
A: Yes, the Gulf of Thailand, including Pattaya, is known for its impressive nudibranch diversity and abundance, making it a prime destination for macro diving enthusiasts.
