Skip to main content

Table 1 Overview of endobiotic bacteria and their aggregates within the epidermic tip region of cerata from 12 nudibranch species

From: Endobacterial morphotypes in nudibranch cerata tips: a SEM analysis

Nudibranch groups

Aeolidiacea

Dendronotacea

Arminiaceae

Species

Aeolidia papillosa

Berghia caerulescens

Coryphella brownii

Coryphella lineata

Coryphella verrucosa

Cuthona amoena

Facelina coronata

Flabellina pedata

Dendronotus frondosus

Doto coronata

Tritonia plebeia

Janolus cristatus

Aggregates and endobacterial morphology

Bacterial aggregates with envelope

       

 Coccoid shaped bacteria (μm)

10/1.4a

4/0.5

6/0.8

13/0.9 r

ne/1.3 po

25/2.5

 

15/1.7

 

5/0.5

6/0.6

   

6/1.0

 Oval-shaped bacteria (μm)

 

5/0.8 × 1.3

No envelope

         

4/0.8 × 1.6

Envelope

7/0.8 × 1.5

No envelope

Coccoid bacteria and aggregates without envelope (μm)

   

0.5

0.5 × 0.9 sp

       

0.9

Dispersed coccoid endobionts (μm)

0.8

0.9

1.2

  

1.4

1.0

0.7

ca 2-4 μm

1.5

1.0

 

Endobionts located closely to cnidocysts

+

+

+

+

+

nd.

+

+

nd

+

+

nd

  1. Nudibranch species selected prey on cnidarian diet (exception Janolus cristatus usually feeds on bryozoan Bugula sp.). Aggregate and bacterial sizes are approximate values
  2. nd not detected, ne not estimable, r rough surface, po polymorphic, sp spindle shaped
  3. aFirst number gives aggregate diameter and second refers to bacterial size, + detected