The source calls large yellow-lipped-fish maw—Golden Coin Croaker fish maw—the world's top variety and says its collectible value far exceeds its value as food. It then introduces spider fish maw, which the source ranks third worldwide.
Spider fish maw is presented as a preferred variety for collectors and fish maw enthusiasts, ranked third and behind Golden Coin Croaker fish maw. Also called 'Little Golden Coin,' it entered the domestic fish maw market from Southeast Asia in the 1990s alongside premium dried seafood such as abalone, sea cucumber and shark fin. The source lists Indonesia, Malaysia and Vietnam as origins, saying Indonesian and Malaysian pieces are scarcer and more expensive, while Vietnamese pieces are currently more common and relatively affordable.

Spider fish maw is a premium variety associated with Thailand, Malaysia and Indonesia. Its hammer-like T shape is compared in the source with the silhouette of a well-known beauty-device brand. The head expands into two rounded sides with 2–6 short, fine whisker-like projections, creating the spider-like outline behind its name. Because Chaoshan buyers traditionally value fish maw with these projections, spider fish maw is also nicknamed 'Little Golden Coin.'
The trade's 'male' spider fish maw is particularly sought after in Hong Kong, and the source calls Indonesian spider fish maw the finest of the group. Spider fish maw is generally smaller than other varieties; pieces weighing more than 30 grams are described as increasingly rare and collectible like antiques.
The source says prices rose over the preceding 10 years and reports that, at a 2012 international food expo in Hong Kong, a pair of arm-length 'male' spider fish maw was priced at 680,000. The source does not state the currency or provide transaction evidence.
Hong Kong buyers are said to prefer the trade's 'male' spider fish maw, identified by a central tendon. The source describes its texture as smoother and its elasticity and toughness as greater than the 'female' trade type.

Why is expensive spider fish maw highly sought after?
Reason one:
Traditional-use claims: the source attributes yin, kidney, stomach, lung, essence, spleen, blood and qi effects to spider fish maw, along with beauty and body-strengthening uses. It further claims significant effects for bronchitis, cough and childhood asthma and cites folk use for pulmonary or gastric bleeding, rapid haemostasis and recovery. These are unverified traditional treatment claims, not medical advice.
Reason Two:
High-value source fish: the article identifies the species as Boesemania microlepis (Bleeker, 1858), a member of the croaker family and genus Boesemania. It describes a sound-producing edible fish recorded at up to 100 cm and 18 kg, living around brackish estuary boundaries, feeding on hard-shelled shrimp and crabs, and distributed through freshwater basins from Thailand to Sumatra.
The source describes Boesemania microlepis as tender, nutritious and highly valued for its swim bladder. It says heavy fishing has placed the species in a dangerous state and that fully wild specimens are now difficult to find; this conservation statement is preserved as the source's account rather than a current legal-status determination.

Reason Three:
Rarity: the source ranks spider fish maw just below Golden Coin Croaker and fang fish maw and repeats the nickname 'Little Golden Coin.' It says market pieces have become smaller and less numerous, describes the fish species as endangered, and links scarcity with relatively high prices. Pieces over 1 tael are described as collectible; current conservation status and market value require independent verification.
Reason Four:
Traditional medicinal value: the source says some Chaoshan families stored spider fish maw as a 'life-saving' ingredient and that it was called 'life-saving fish maw' in the Chaoyang area. It records folk claims of rapid haemostatic effects for postpartum, severe gastric and pulmonary bleeding and examples involving spider and Golden Coin Croaker fish maw. These decades-old folk accounts are not clinical evidence or medical advice.
How Does the Trade Distinguish 'Male' and 'Female' Spider Fish Maw?

1. The "hammer" shaped spider fish maw has protrusions forming a special tubular structure, making spider fish maw easier to identify. The whole shape looks like a "hammer," with a few short and small bristles on its head and fascia hidden at the back.
2. The trade classifies spider fish maw as 'male' or 'female.' The 'male' type has alternating thick and thin flesh with a central tendon, while the 'female' type lacks that tendon.
The source says Vietnamese spider fish maw is currently the most common and relatively affordable, and describes it as suitable for traditional daily nourishment. Malaysian pieces are said to cost much more, with Indonesian pieces the most expensive. Selection depends on preference and budget; nourishment and price statements are source claims.
Fish maw selling service entry
Extended judgment of fish maw appearance
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How does the appearance of fish maw affect the quotation?
For a fish maw appraisal, photograph the thickness of the fish-maw body, colour, edges and any signs of dampness. Send the images via WhatsApp for a preliminary indication of the buyback grade.
Kam Hoi Shing dried-seafood buyback —
WhatsApp: (852) 69035182
If the goods are well preserved, further identification and cash settlement can be arranged according to market conditions.