Spanish Mackerel (Scomberomorus sp.) (?)
Tanah Merah, 10th April 2016

A bag of fish parts was found on the beach. Further inspection revealed that the contents comprised various parts of Spanish Mackerel. Whether these pieces of fish were purchased at the market, or came from a fish caught in Singapore waters is unknown. It’s also not known why these were dumped on the shore, although there is a possibility that these were intended as bait for some other marine creature.

Four species of Spanish Mackerel have been documented in the waters around Singapore and Malaysia, and these remains may represent any of these species:

Indo-Pacific King Mackerel (Scomberomorus guttatus)

Narrow-barred Spanish Mackerel (Scomberomorus commerson)

Korean Seerfish (Scomberomorus koreanus)

Streaked Spanish Mackerel (Scomberomorus lineolatus)

Another possible candidate is the Double-lined Mackerel (Grammatorcynus bilineatus):

Coastal Horseshoe Crab (Tachypleus gigas)

Tanah Merah, 11th April 2016

This Coastal Horseshoe Crab had been entangled and killed in a discarded fishing net.

As we walked back to weigh the trash collected, we find a decaying Sea Turtle on the beach.

Second time seeing a dead Sea Turtle for me. I still haven’t seen one alive in the wild yet.

Source: Sankar Ananthanarayanan Instagram

Carcass of a headless marine turtle on Tanah Merah Beach 7, 25th International Coastal Cleanup Singapore

Source: N. Sivasothi Instagram

This carcass is likely to be that of a Hawksbill Turtle (Eretmochelys imbricata.

Squaretail Mullet (Ellochelon vaigiensis)
Tanah Merah, 10th April 2016

Amazon Sailfin Catfish (Pterygoplichthys pardalis)
Tanah Merah Country Club, 30th June 2014

These photos of a dead Amazon Sailfin Catfish were shared by Yap Xinli.

Find out how you can contribute to Monday Morgue too.

Several species of Sailfin Catfishes (Pterygoplichthys spp.) have been introduced to various parts of the world, probably due to the release and abandonment of aquarium pets.

Two similar-looking species of Sailfin Armoured Catfish are believed to have feral populations in Singapore:

Amazon Sailfin Catfish (Pterygoplichthys pardalis)

Vermiculated Sailfin Catfish (Pterygoplichthys disjunctivus)

Based on the pattern of spots on the abdomen, this carcass is most likely that of an Amazon Sailfin Catfish.

Button Snails (Umbonium vestiarium)
Tanah Merah, 18th August 2014

Rusty Millipede


Rusty Millipede (Trigoniulus corallinus)
Tanah Merah, 23rd January 2011