Mylossoma

Mylossoma is a genus of serrasalmids from tropical and subtropical South America, including the basins of the Amazon, Orinoco, Lake Maracaibo and Paraguay-Paraná. These common fish are found both in main river sections and floodplains. They support important fisheries and based on a review by IBAMA, they are the seventh most caught fish by weight in the Brazilian Amazon. They primarily feed on plant material such as seeds and fruits, and in their ecology they generally resemble the larger tambaqui. Mylossoma reach up to 28.5 cm (11.2 in) in length and 1 kg (2.2 lb) in weight.

Mylossoma

Clinton & Charles Robertson · CC BY 2.0 · via Wikipedia/Commons. May be a photograph of a specimen, or an artist’s reconstruction — an interpretation of a skeleton, since colour and soft tissue are almost never preserved.

On record

Recorded, not inferred
Sits inside
SerrasalmidaePBDB
Motility
actively mobilePBDB, for Osteichthyes
Environment
freshwaterPBDB, for Characiformes

Time the record covers

At least 10 million years on record.

The record covers at least 13.82 Mya to 3.6 Mya. No occurrence read is dated outside 15.98 Mya to 2.58 Mya.

Miocene — about 2 of 3 occurrencesMiocenePliocene — about 1 of 3 occurrencesPliocenePleistocene — about 0 of 3 occurrences16–16 Mya — about 0.3 occurrences16–15 Mya — about 0.3 occurrences15–15 Mya — about 0.3 occurrences15–14 Mya — about 0.3 occurrences14–14 Mya — about 0.2 occurrences14–13 Mya — about 0.1 occurrences13–13 Mya — about 0.1 occurrences13–12 Mya — about 0.1 occurrences12–12 Mya — about 0.1 occurrences12–11 Mya — about 0.0 occurrences4.0–3.5 Mya — about 0.1 occurrences3.5–3.0 Mya — about 0.5 occurrences3.0–2.6 Mya — about 0.5 occurrences13.82 Mya3.6 Mya16.5 Mya2.1 Mya

3 occurrences of Mylossoma on record, most of them in the Miocene. The Paleobiology Database records this as a living group, and the chart stops with its fossils rather than at the present. Bar height is expected occurrences, not a count: each fossil is spread across the span it is dated to, so a tall narrow bar means tight dating and a low wide one means loose.

When

3 occurrences

These are dates about fossils, not the animal: the record can only begin after it arose and end before it died out, so either end may reach further. Shares are expected occurrences: a fossil dated to a span is counted partly in each period it straddles. More on what this infers.

Found in

3 formations

San Gregorio — 11.30°N, 70.24°WPebas — 3.74°S, 73.25°WCastilletes — 11.91°N, 71.34°W

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The named rock units Mylossoma has been recovered from, largest first. Drawn where the rock is now, not where it formed.

Mylossoma and its relatives

Miocene

Where Mylossoma and its relatives were recorded in the Miocene.

Found in the same rock

83 taxa

The Paleobiology Database records 3 sites for Mylossoma, and this reads all of them. The number is how many of those sites it was catalogued from too. The 24 sharing the most are listed.

This is not a list of everything alive at the time. It is only what has come out of the same ground as this animal and been written down.

Entered from

3 references

Each of the 3 occurrences read was entered from one of these publications, ordered by how many each accounts for. This is not a search for papers mentioning the name. Each entry links to doi.org. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.

Media and terms

Media content2

Picture of Mylossoma

Credit
Clinton & Charles Robertson
Licence
CC BY 2.0
Commercial use
the licence allows it

3D model

Source
Sketchfab
Credit
Nullified
Licence
CC Attribution
Commercial use
cannot be read from the licence given — check the record

Smithsonian Open Access and MorphoSource were not reached for this taxon, so this list is what the others held rather than everything there is.

The description on this site

Licence
CC BY-SA 4.0

This is what the site found, which is not the same as what exists.

Keep going

What may have been alongside itSerrasalmidae through timeFormations of the MioceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Eigenmann and Kennedy 1903