About Baby Sailfish

Main photo: Andrew Dover

A juvenile sailfish at just six months old may weigh 3kg and be 140cm long (6 pounds and be 4.5 feet) and can potentially grow to record sizes weighing upwards of 58kg (128 pounds) in the Atlantic or 100kg (220 pounds) in the Pacific.

Photo: Josh Temple
Photo: Josh Temple

Imagine is tiny fish grow to more than 3 meters (10 feet) and weigh more than 100kg (220 pounds).

Photo by Kareem Linjawi
Photo by Kareem Linjawi

Female sailfish release more than 4 million eggs. A recently hatched larvae start around 3mm (1/8 of an inch). In the sailfish’s first year, they can grow up to 1.2 to 1.5 meters (4 to 5 feet) long.

Photo by Peter Doran
Photo by Peter Doran

Sailfish can live up to 10-13 years.

Photo by Bob Sinclair
Photo by Bob Sinclair

A juvenile sailfish can be so close in appearance with a white marlin juvenile, scientists have to test them on the molecular level to confirm the identification.

Photo by Randy Schwab
Photo by Randy Schwab

According to a University of Miami study, temperature appears to have an effect on the rate of metabolism in juvenile sailfish.

This baby sailfish photo was taken in Feb. 2013 off Costa Rica. Baby sails are often seen at night, when they can be seen in the lights of evening fishermen. Photo by Pete Rae, Sea Spud Sportfishing
This baby sailfish photo was taken in Feb. 2013 off Costa Rica. Baby sails are often seen at night, when they can be seen in the lights of evening fishermen. Photo by Pete Rae, Sea Spud Sportfishing
Photo by Preston Green
Photo by Preston Green

According to the University of Florida, at 8 inches, all larval characteristics disappear and the juvenile has all the features of an adult.

Photo by Pickett Reese
Photo by Pickett Reese

According to the University of Florida, in the waters of the Pacific Ocean, sailfish appear to spawn in tropical and subtropical regions, with localized peaks during summer months. The males and females swim in pairs, or two to three males pursue a female during spawning.

sailfish-kuala-rompin-fly-fishing_141030_4415
The author with a less than 1-year old sailfish caught on fly in Kuala Rompin.

Parts of this post can be originally found at this post by Sport Fishing Magazine.

A screen shot from the Facebook group Search for the Baby Black Marlin showing a pair of tiny newborn sailfish
A screen shot from the Facebook group Search for the Baby Black Marlin showing a pair of tiny newborn sailfish

Find out more about the Indo-pacific sailfish here.

Click here for more sailfish posts, catch reports, videos.

1 thought on “About Baby Sailfish”

  1. Amazing info..amazing that they can grow so big too..something must be done to protect them especially here in Malaysia..

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