← Science & nature Science & nature · Developing English

Asterias argonauta

Species of starfish

1 min
estimated reading
2
complete sections
7.71
algorithmic grade estimate

Before you read

Use the article and the local dictionary together

The complexity label is calculated from sentence length and syllable estimates; it is guidance, not an assessment of you. Open any highlighted word below for its full local dictionary page.

Words
90
Native text
709 characters
Dictionary match
78%
Revision
1270965169 · 2025-01-22T02:01:37Z
Key vocabulary

Words to check before reading

Overview

Asterias argonauta is a starfish native to the Pacific coasts of Far East Russia. The species was first described by Alexander Michailovitsch Djakonov in 1950, with the holotype collected in 1925 in the Peter the Great Gulf of the Sea of Japan near the Basargin Lighthouse, at a depth of 20m in the waters off Primorsky Krai. It has also been recovered in Chemulpo Bay, in northwestern South Korea. It has been found on silty sand or pebble substrates. It has been found at depths of 1-32m.

Description

This starfish has five arms. The arms grow to 14.6cm, the ratio between the length of the arm and the radius of its disc is 4:1. It has planktonic larvae. Djakonov found it to be the most similar to Asterias rollestoni.

Science & nature

Continue with related local reading