Skip to content

DiscoverSpeciesOther invertebrates

elephant ear sponge

Ianthella basta

  • Other invertebrates
  • IUCN: Not evaluated
  • Usual depth22–53 m
  • Water temperature23–30 °C
  • Best monthsApril, October, and November
  • How commonRare
All species

Photo credit: (c) Dan Schofield, some rights reserved (CC BY), uploaded by Dan Schofield · CC BY · iNaturalist

About this species

Ianthella basta is a species of fan-shaped sea sponge in the class Demospongiae. It is also known as the elephant ear sponge, paper sponge, or scroll sponge.

Text from the Wikipedia article “Ianthella basta”, licensed CC BY-SA 4.0. Read the article

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

  • January: 34 records
  • February: 40 records
  • March: 34 records
  • April: 50 records
  • May: 20 records
  • June: 20 records
  • July: 15 records
  • August: 28 records
  • September: 18 records
  • October: 43 records
  • November: 46 records
  • December: 28 records

Depth and water temperature

Depth

Mostly recorded at 22–53 m · Deepest record: 64.1 m

  • 10–20 m: 1 records
  • 20–30 m: 3 records
  • 30–40 m: 5 records
  • 40–50 m: 0 records
  • 50–60 m: 2 records
  • 60–70 m: 1 records

Water temperature

Recorded in surface water of 23–30 °C

  • 22–24 °C: 4 records
  • 24–26 °C: 48 records
  • 26–28 °C: 85 records
  • 28–30 °C: 93 records

Names and classification

English
elephant ear sponge, paper sponge, scroll sponge

Other scientific names: Spongia basta, Spongia grossa, Spongia striata

Similar species

Sources and credits

Names and taxonomy: WoRMS (CC BY 4.0) and the GBIF Backbone (CC BY 4.0). Photos: iNaturalist observers, each under the licence shown (CC0, CC BY or CC BY-SA).

  • Depth, temperature, months and maps: records from OBIS and GBIF under CC0 or CC BY.
  • Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
  • Conservation status as published by GBIF (IUCN Red List).
  • 268 open-data records from 1908 to 2012.
  • Species data updated November 3, 2026.

Log what you see on your next dive

The free DiveHive diver app keeps your logbook with every sighting and shows what lives at the site you dive next.

Join the waitlist

DiveHive uses necessary cookies to work. With your permission we also use analytics to see which pages help. Analytics is off until you say yes, and we never record what you type.

  • NecessaryAlways on: your choice, security.Always on
  • AnalyticsOff unless you accept.Off
Privacy policy