Thursday, September 30, 2021

Why Are Black-Spotted Croaker Fish (Protonibea Diacanthus) (Ghol Fish) So Rare And Expensive?


What is Ghol fish?

Ghol fish, biologically known as 'Protonibea Diacanthus' and commonly called the black-spotted croaker fish, is an exotic specimen. It is and prized in east Asia for its medicinal properties. 

From iodine, omega-3, DHA, EPA, iron, taurine, magnesium, fluoride, to selenium, it is loaded with rich nutrients. What makes this fish to be called as 'Sea Gold' is a pouch in its stomach, which has potent medicinal properties and has a high valuation in the overseas market. 

Majorly found in the Indo-Pacific region, Ghol fish is one of the most expensive marine fish in the world. However, the levels of pollution has shifted these fishes from the shore to deep sea.

Benefits of Ghol fish

Good for eye health: This fish contains many vitamins, minerals, proteins, which helps in maintaining eyesight.

Prevent ageing and wrinkles: The collagen content in the ghol fish prevents wrinkles and also keeps the elasticity of the skin intact.

Improves IQ of infants: Omega-3 content in it improves IQ of infants if fed on a regular basis it stimulates the growth of brain cells.

Toning muscles: The black-spotted croaker is one fish that has tremendous benefits for toning muscles because of various minerals and vitamins. It provides Vitamin C that is required for collagen and elastin synthesis which has helps to supply essentials nutrients to the muscles.


News Articles:

The Hindu: "Blackspotted croaker fish (Ghol) fetches Rs 8,000 per kg in  Odisha" ( - This article details a recent catch of Ghol fish in Odisha, India, and the high price it fetched.
    The Times of India: "Ghol Fish - One of the Rarest Marine Species, Can Cost up to Rs 1 Crore!" ( - This article explores the factors contributing to the rarity and expense of Ghol fish.

    Scientific Articles:

    ResearchGate: "LENGTH-WEIGHT RELATIONSHIP AND CONDITION FACTOR OF BLACKSPOTTED CROAKER Protonibea diacanthus (LACÉPÈDE, 1802) IN THE SUGANDHA RIVER ESTUARY, GUJARAT, INDIA" ( - This research paper provides details on the biology and habitat of the Black-Spotted Croaker fish.

    FishBase: Protonibea diacanthus ( - FishBase entry for the Black-Spotted Croaker fish with information on its distribution, habitat, and conservation status.

    Why Black-Spotted Croaker Fish (Ghol Fish) Are Rare and Expensive:

    The Black-Spotted Croaker fish, also known as the Ghol fish (Protonibea Diacanthus), is a prized catch in some parts of Asia, particularly India. These fish are known for their rarity and high price tag, which can reach up to Rs 1 Crore (over $100,000 USD) for a single fish. There are a few key factors that contribute to the rarity and expense of Ghol fish:

    • Habitat: Black-Spotted Croaker fish prefer deep waters and are not found in abundance near the coast. This makes them more difficult to catch compared to other commercially fished species.
    • Overfishing: While not currently listed as endangered, overfishing is a potential threat to Black-Spotted Croaker populations. This scarcity can drive up the price.
    • Perceived Medicinal Value: In some cultures, the swim bladder of the Black-Spotted Croaker fish is believed to have medicinal properties. This perception contributes to the high demand for the fish, particularly the dried swim bladders which can fetch exorbitant prices in international markets.

    Important Note: There is limited scientific evidence to support the purported medicinal value of the Black-Spotted Croaker fish swim bladder. It's important to rely on credible medical sources for health information.


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