Halophila ovalis
Spoon Grass / Paddle Grass · Family Hydrocharitaceae
Species Information
Description
Halophila ovalis is a versatile seagrass species with oval-shaped leaves borne in pairs. It is one of the most widespread seagrass species globally and adapts to various depth ranges.
Morphology
Oval to elliptic leaves 1–4 cm long and 0.5–2 cm wide, paired on a short petiole arising from horizontal rhizomes.
Habitat
Highly adaptable — found from intertidal zones to depths of 30+ m. Grows on sandy, muddy, and mixed substrates.
Distribution
One of the most widely distributed seagrasses worldwide.
Ecological Role
Highly palatable to dugongs and sea turtles. Important food source across depth gradients.
Coverage Over Time
Survey Records
| Date | Site | Coverage | Density | Canopy Height | Leaf Condition |
|---|---|---|---|---|---|
| Jan 20, 2025 |
Suyac North Bed
SYC-N01
|
15.00%
|
Moderate | 4.50 cm | Healthy |
| Oct 22, 2024 |
Suyac North Bed
SYC-N01
|
13.00%
|
Moderate | 4.20 cm | Healthy |
| Jul 19, 2024 |
Suyac Deep Subtidal
SYC-D06
|
35.00%
|
Moderate | 3.20 cm | Healthy |
| Jul 18, 2024 |
Suyac North Bed
SYC-N01
|
11.00%
|
Moderate | 3.80 cm | Healthy |
| Apr 20, 2024 |
Suyac North Bed
SYC-N01
|
12.00%
|
Moderate | 4.00 cm | Healthy |
| Jan 15, 2024 |
Suyac North Bed
SYC-N01
|
10.00%
|
Sparse | 3.50 cm | Healthy |