Like all squid, the Humboldt, or Jumbo, Squid has eight arms and two long tentacles, with “clubs,” or flattened portions on the end.  The Humboldt Squid is one of the largest squid.  They can grow to up to 2.5m (8.2ft) total length and weigh up to 50 kilograms (100 lb).  They will often have a reddish hue when found on the beach or caught on a line.

 

 

Illustration: Kaitlin Asson

Illustration: Kaitlin Asson

 

 

Key identifying characteristics

1. Many rows of suckers on tentacular clubs

2. Arms extend and narrow, may appear whip-like

3. Diamond shaped fins

Examples

 

Mantle and fins of a washed-up Humboldt Squid.  Note the mechanical pencil placed as a size reference object.  Photo credit: Dr. William Hanshumaker.

Mantle and fins of a washed-up Humboldt Squid. Note the mechanical pencil placed as a size reference object. Photo credit: Dr. William Hanshumaker.

Head, arms, and tentacles of a Humboldt Squid found on the beach.  Photo credit: Dr. William Hanshumaker

Head, arms, and tentacles of a Humboldt Squid found on the beach. Photo credit: Dr. William Hanshumaker

 

 

 

 

 

 

 

 

 

 

 

The mantle of a Humboldt Squid.  One fin and the head, tentacles, and arms are missing.  Photo credit: Dr. William Hanshumaker

The mantle of a Humboldt Squid. One fin and the head, tentacles, and arms are missing. Photo credit: Dr. William Hanshumaker

Full Humboldt Squid washed up on the beach.  Note the reddish-orange color.  Photo credit: Dr. William Hanshumaker

Full Humboldt Squid washed up on the beach. Note the reddish-orange color. Photo credit: Dr. William Hanshumaker