Thai Ganesha iconography stands out from Indian depictions through several unique features that reflect local artistic traditions, cultural symbolism, and religious syncretism:

1. Royal Thai Artistic Elements

• Elaborate Headdresses and Crowns:
  Thai Ganesha statues often feature intricate crowns and headdresses inspired by Thai royal and classical motifs, contrasting with the simpler or different headgear seen in most Indian Ganesha statues.

• Flowing Robes and Sashes:
  Thai Ganesha is depicted wearing elaborate robes, sashes, and ornamented attire, similar to those seen in Thai royal or celestial figures.

• Ornate Jewelry:
  Statues are adorned with rich jewelry and accessories, echoing both Buddhist and royal iconography.

2. Distinct Gestures and Postures

• Abhaya Mudra (Gesture of Protection):
  One of Ganesha’s hands in Thai representations is frequently displayed in the abhaya mudra, a gesture of blessing and reassurance, emphasizing his protector role.

• Stylized Poses, Including Dancing Forms:
  Thai Ganeshas may appear in dynamic, dancing postures, celebrating his patronage of arts and creativity.

3. Symbolic Additions and Modifications

• Emphasis on Arts and Sciences:
  Ganesha in Thailand is strongly associated with wisdom, intellect, and creativity, revered as the patron of success in business, education, and artistic endeavors.

• Prominence in Buddhist Contexts:
  Unlike India, where Ganesha is a Hindu deity, in Thailand he is integrated into Buddhist practices and sometimes found in Buddhist temple complexes.

4. Multi-Headed Forms

• Multi-Headed Ganesha:
  While rare in India, multi-headed forms of Ganesha (three, five, or more heads) are often seen in Thailand, symbolizing his omniscience, ability to oversee multiple realms, and mastery over cosmic elements. Each head may represent different qualities such as wisdom, power, success, and creativity.

5. Altered Vahana (Vehicle)

• Mouse/Rat Modifications:
  While the mouse (or rat) is Ganesha’s traditional vehicle in India, in Thai art, the vahana tends to play a more dynamic supportive role and sometimes features local stylistic differences or is depicted less prominently.

6. Integration of Thai Beliefs and Royal Symbolism

• Elephant as National Symbol:
  In Thailand, the elephant holds deep cultural symbolism associated with royalty, power, and national pride. Ganesha’s elephant head takes on this local significance, further enhancing his revered status.

7. Fusion with Local and Buddhist Symbolism

• Buddhist Syncretism:
  Ganesha is often approached not just as a remover of obstacles, but as a spiritual guide representing Buddhist values like mindfulness, compassion, and overcoming suffering. This differs from his primary role in Hindu worship.

In summary:

Thai Ganesha iconography is marked by regal attire, elaborate ornamentation, unique mudras, and multi-headed forms. 

It reflects a blend of Hindu roots with Thai royal and Buddhist traditions, emphasizing protection, artistic patronage, and spiritual wisdom in a manner distinctive from Indian depictions.