Seaweed: where to get it
| Source | Quantity | Chance per roll |
|---|---|---|
| Aquanite [] | 6 | 18/128 |
 Baby impling[] | 1 | 1/100 |
| Baby impling jar [] | 1 | 1/100 |
| Dagannoth (Lighthouse) [] | 10 | 2/128 |
| Dagannoth spawn [] | 1 | 10/128 |
| Dagannoth (Ranged) [] | 1–10 | 30/128 |
| Fishing spot (big fishing net, harpoon) (Net) [] | 1 | Uncommon |
| Giant lobster [] | 1 | 4/128 |
| Giant lobster [] | 2 | 4/128 |
| Giant lobster [] | 5 | 2/128 |
| Giant lobster [] | 1 | Always |
| Giant Sea Snake [] | 5 | 2/128 |
| Granite crab [{'content': 'The granite crab will only forage for items while you are fishing.', 'name': 'whilefishing'}] | 1 | Common |
| Ice troll female (Variant 3) [] | 3–9 | 10/128 |
| Ice troll grunt (Variant 2) [] | 3–9 | 12/128 |
| Ice troll male (Variant 3) [] | 3–9 | 8/128 |
| Ice troll runt (Variant 3) [] | 3–9 | 11/128 |
| Icefiend [] | 6 | 18/128 |
| Juvenile boulder crab [] | 1–4 | Common |
| Mogre [] | 4–8 | 2/128 |
| Net (scenery) [] | — | Always |
| Rock crab [] | 1 | 4/128 |
| Rock crab [] | 2 | 4/128 |
| Rock crab [] | 5 | 2/128 |
| Rock lobster [] | 1–3 | 10/128 |
| Sea Snake Hatchling [] | 5 | 2/128 |
| Sea Snake Young [] | 5 | 2/128 |
| Seaweed (Aquarium) [{'content': 'Replenishes every week.'}] | 10 | Always |
| Squeal of Fortune/Rewards/Limited [{'content': 'These items discontinued from the Squeal of Fortune are still obtainable in-game.', 'name': 'Neptune'}] | 30 | Discontinued |
| Swarm [] | 1 | Varies |
 Thalassus[] | 1 | Unknown |
| Uncharted Isles [] | 1 | Common |
| Water filtration system [] | 1 | Common |
| Waterfiend [] | 6 | 18/128 |
| Waterfiend (Ghorrock) [] | 6 | 18/128 |