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Sicydium cocoense

Sicydium cocoense

Sicydium cocoenseAI-generated illustration

Sicydium cocoense, commonly known as the Coco Island goby, is a small tropical goby reaching up to 11.7 cm (4.6 in). It inhabits coastal streams, brackish estuaries, and the lower reaches of freshwater systems where marine and fresh water mix, making it a versatile species for anglers in tropical regions.

Fight
Taste

Basic Information

Family

Gobiidae

Max Size

11.7 cm

Habitat

marine, freshwater, brackish

Climate

tropical

Best Season

Year‑round, with peak activity during the rainy season when water flow increases

Best Time

Early morning and late evening (dawn and dusk)

Distribution

No distribution map available

Fishing Tips for Sicydium cocoense

  • Use ultra‑light tackle (2‑4 ft rod) with a 2‑6 lb test line to feel subtle bites
  • Present live micro‑bait such as mosquito larvae or tiny shrimp near the substrate
  • Fish near submerged roots, rocks, and leaf litter where the gobies hide
  • Retrieve very slowly or employ a stationary drift to let the bait sit on the bottom

Top Fishing Locations for Sicydium cocoense

Cocos Island National Park

Costa Rica
intermediate70% Very Common

Remote island streams teeming with Sicydium cocoense, a prime target for goby anglers.

Best: November-February

North Shore Streams

United States (Hawaii)
beginner85% Very Common

Clear, fast‑flowing streams on Oahu's North Shore where the species thrives in brackish water near river mouths.

Best: May-September

Christmas Island Coastal Creeks

Australia (Christmas Island)
expert75% Very Common

Secluded coastal creeks on this Indian Ocean territory host abundant Sicydium cocoense during the wet season.

Best: December-March

Rivière de Papeete

French Polynesia
intermediate60% Common

Freshwater streams draining into the lagoon of Tahiti, known for healthy goby populations.

Best: June-October

San Cristóbal River

Ecuador (Galápagos Islands)
expert30% Occasional

Pristine highland streams on San Cristóbal Island where Sicydium cocoense is a sought‑after catch.

Best: January-April

Wainibuka River

Fiji
intermediate55% Common

Tropical rainforest streams on Viti Levu offering solid numbers of this goby during the rainy season.

Best: November-March

Market Prices

Recommended Fishing Equipment for Sicydium cocoense

Recommended Equipment

RodUltra‑light spinning rod, 2‑4 ft, fast action
Line2‑6 lb test monofilament or fluorocarbon
Lure TypeSmall soft plastic micro‑jig or tiny spoon, 1‑2 cm
TechniqueBottom‑fishing with a light split‑shot sinker, gentle jigging or static presentation

Best bait: Live mosquito larvae, tiny shrimp, or diced earthworms